Showing posts with label WEBSITES. Show all posts
Showing posts with label WEBSITES. Show all posts

22 December 2022

When did that record come out?

Billboard singles reviews: useful for locating a record in time

1. Why

Knowing the absolute original version of a song is probably not important to many music fans. Blue Suede Shoes is an Elvis Presley song, and the fact that it was first recorded by Carl Perkins is of limited interest.

Similarly, unless they are pub trivia enthusiasts it is also enough for most listeners to know roughly which year a record was released. Give or take a year or two is probably good enough for historic or nostalgic context. Even, say, late 60s or mid-70s will do.

Some of us, though, cannot rest until we know who first performed or recorded a song. The sport of tracking down original versions often demands more than the year a record came out. We might need the month, or the week, or (surely not!) the day a record was released. 

Part of the urge is worthy, to give credit where it's due, credit to the original composers, arrangers and artists. I can't deny there is also the satisfaction of being the smart alec who has knowledge that everyone else has missed. 

At the back of the mind, too, is the hope that the undiscovered original version will turn out to be the best, an authentic gem that reveals the raw vision of the creator, unspoilt by the tinkering of the cover versions. That happens, but it often turns out to be the opposite, when the cover version has added something to the original work, even revealed something about it. 

As with fanatics of any sport, though, it is hard to explain to an outsider why we are so caught up in it. We keep looking, digging around the archives until we find even a tiny clue. Because the data is limited, though, you might still be left with an approximation or just circumstantial evidence.

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2. When did my canary get circles under his eyes?

Sheet music (clip)
My Canary Has Circles Under His Eyes became known in Australia through the 1973 version by Captain Matchbox Whoopee Band which charted moderately around the country. 

It first appeared in 1931. Most sources will tell you that British bandleader Debroy Somers released the original version, but I believe the British release by American singer Marion Harris has a good claim to being the original. 

I can't prove it, and the evidence is limited and partly circumstantial, but the case for Marion Harris is enough to avoid calling either as the original release.

Both records came out in the period April-May 1931, so my aim was to narrow it down:

• In the limited number of British newspaper mentions of the records, only Marion Harris appears in April, and there are no mentions of Debroy Somers until May. (The flaw: I don't have access to the archives of every newspaper in the universe.) 

Jack Golden
• Composer Jack Golden had previously been accompanist to Harris, which may explain her early access to the song. It might even have been exclusive to her for a while before any records came out. (The flaw: circumstantial, not proof.)

• Harris appears on the cover of the sheet music. (The flaw: it's common but not necessary that the sheet music carries the song's originator.)

In the meantime, I did find evidence of Marion Harris performing Canary on stage and radio in the US in January 1931. After that there are no other mentions of the song in the news archives until April 1931 when Harris's record is mentioned. For the rest of 1931 the song title often pops up in various contexts. This was enough for me to call Harris as having the Original version: live performance, at least until contradictory evidence comes up. 

As I always say about the website, Eventually, someone emails. The page will stand until then. Or until someone comments here, I guess. It does happen.

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3. Where do I find out? 

Steven C. Barr dates the 78s
• 45s and EPs: 45cat.com.  and for other formats e.g. albums and 78s: 45worlds.com

• All formats but best for albums: Discogs.com

• Huge music magazine archive at World Radio History.

• Newspaper and magazine archives: Trove (Australia), Gale (mainly British), and Newspapers.com and NewspaperArchives.com (mainly USA, paid subs).

• Archived books and magazines at Internet Archive. Just search.

• Discographies by e.g Steven C. Barr (The Almost Complete 78 rpm Record Dating Guide), Martin C. Strong
The Originals book in English (link)
(The Essential Rock Discography), or Brian Rust (many, including The complete entertainment discography, from the mid-1890s to 1942). 

• Biggest and best original version sites: The Originals, Cover.info, and Secondhand Songs.

• 78s: Online Discographical Project (78discography.com) for recording dates (not release dates)

Sometimes naming a release date is down to speculation, or even an informed hunch. You might have to declare it a draw and let it rest. Disappointing, but we are working with imperfect data.

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Some of this appears in a different form at the About page of my site Where did they get that song? and at my page about My Canary Has Circles Under His Eyes.  

25 February 2021

Toppermost of the poppermost: the charts

Occasionally a visitor to my website emails that they are not happy about the chart placings that I list for Australian records. They are usually people who are heard on those very records. That is is to say, artists.

There are two sources of disappointment: The Legendary International Hit and My Record Did Better Than That! The quotes below are not real examples. I'm improvising around the theme of emails I've had over the years from artists about the insultingly low chart placings I've listed for their records from the 50s, 60s, or 70s.

1. The Legendary International Hit
• Our manager definitely told us we were #10 in Los Angeles.
• We were shafted by the Aussie music business, but our record charted Top 20 in Pennsylvania!
• Oh yeah, we were big all over the world. #1 in Sweden, Greece and Czechoslovakia.

These claims are nearly always wrong, and I usually know that before I've checked the sources. 

You can also see statements like these in old newspaper stories. Back then, who was going to check any of this? There were no obsessive smart alecs like me who would go online and dig around till they found an answer. There was no "online", for a start.

If you said in 1965 that a record was big in Hungary, how would an Aussie music journo or the work experience kid from Go-Set know anything different? In any case, the effort and resources needed to do a fact-check would be ridiculous for a harmless little claim like that.

I wouldn't suggest that the artist made it up, because they seem sincerely to believe the legend. It's more likely to have originated with a creative publicist or journalist. Or a manager.

My favourite hypothesis is that somebody mailed a chart (in an envelope, with a stamp) from an obscure locality in the US where our artist was racing up the chart at the local radio station, and everyone jumped to the wrong conclusion. (How about a chart from WNRI Woonsocket, Rhode Island, say?) But more later on radio station charts.

Honourable mention In 1976, Sydney singer Jeff Hilder  told The Sun-Herald that he was back in Australia after living in Venezuela where he had been on the local charts. 

Yeah right, thought this smart alec. We'll see if that stands up to 21st century fact-checking. 

Well, it's not easy to find archival Venezuelan charts, but I found Jeff at #6 in Venezuela in February 1972 with a song called Mañana será otro día. Sorry I doubted you, mate.

2. My Record Did Better Than That!
• But we were #5 in Melbourne! Here's the actual 3DB chart that I clipped from the newspaper.
• How could I have been only #16 in Adelaide when I was #5 in Australia overall?

This is more complicated, partly because people have such faith in The Charts of the past. It's as if they were handed down in stone by some all-seeing data collector in the sky, who knows exactly how many 45s were sold in any week in 1965. So if they see #5 printed somewhere, it must be #5. Read on to see why not.

Retrospective charts The charts that we consult today for Australia in the 50s, 60s and 70s have been retrospectively compiled from whatever data is available from those years. This pretty much means radio station charts, also known as surveys. (It makes sense, given that the rise of the Top 40 chart, and the loose genre of Top 40 music, came from American radio in the 1950s.)

Each station with a music format would publish its own chart, distributed as a leaflet by music stores, or printed in the local paper. 

In larger cities there could be several charts, and they would all be different.

It wasn't until the 1980s that Australian record charts began to be based solely on reliable sales figures, when the national ARIA chart was established, initially using data from Kent Music Report. In 1997 ARIA started collecting data electronically, direct from music stores, giving rise to the modern concept of a music chart being based on hard sales data. Set in stone, you could say.

The pool of radio station charts would change over the years, as stations changed their formats or stopped publishing charts. For example, Gavin Ryan's Melbourne chart book uses 1967 charts from the 3DB Top 40, the 3AK Top 100, and 3UZ's Official Top 40 (officially 3UZ's, maybe, nothing more).


Radio charts Back then the radio charts were compiled from a number of sources. If a chart did list its sources, it might include record sales, listener requests, or audience surveys. For example, charts from 2UE Sydney and 4BK Brisbane in the 1960s cite "public survey" as well as sales. Public survey could mean anything, and would allow leeway in constructing a chart to reflect the station's playlist and its listeners' preferences.

It's not uncommon to find a song that charted at one station but not at another in the same city.

As chart collector and compiler Tom Guest puts it, At times 'hits' were played on one radio station only and thus appeared on their own charts and not on those produced by stations who, for various reasons, did not include the songs on their airplay lists.

Sales figures and radio charts Sales figures were based on samples rather than comprehensive data from every outlet in town. Wayne Mac, in his radio history Don't Touch That Dial, writes: To compile the 40 most popular songs, stations telephoned selected record stores in their area which reported sales figures on records and sheet music. In addition to raw sales figures, the position or ranking of the week's 40 most popular songs was also subject to overseas sales trends and a station's own predictions...

I don't believe the collection of sales data was always a rigorous process. The ring-arounds to local record stores could be as informal as asking what was selling. One of my reliable correspondents, who worked at a capital city record store, says that it depended on whoever happened to answer the phone, as it wasn't unusual for that person to boost their favourite records.

Retrospective charts can disagree The job of the latter-day chart compiler is to apply some kind of statistical method to reconcile the differences and come up with plausible charts for a city. 

At my website I use Gavin Ryan's charts for Sydney, Melbourne, Brisbane, Adelaide and Perth. For two cities there are alternatives: Tom Guest's Melbourne chart book (Thirty Years of Hits) and Top 40 Research's chart book for Sydney (The Book).

This could be confusing to a casual reader. If Gavin Ryan's Sydney chart book has The Rolling Stones' The Last Time peaking at #1 in April 1965, that's it, isn't it? Either The Last Time was #1 in Sydney or it wasn't. So how is it that the other Sydney chart book, The Book, has it peaking at #2

Sometimes the contrast is greater: down in Melbourne, Gavin Ryan has The Ray Price Quartet's A Moi De Payer (1962) at #6, Tom Guest has it at #24.

Clearly, these differences are partly down to differences in statistical methods. I'm not privy to these, but Tom Guest told me that he weighted his placings in favour of 3UZ, the highest rating Top 40 station in Melbourne during the 60s, something that makes good sense to me. Even so, Tom has The Groove's Simon Says peaking at #6, and it's Gavin who has it spot on the 3UZ peak at #4. (Add 3DB's #8 to the list and you have three different peaks for the song.)

Another variable is the availability of historic charts to each compiler. Some of them can be found in newspaper and magazine archives, but otherwise it depends on chart collectors. The compilers I know of started out as collectors, but there can be gaps in the charts they can access. Gavin Ryan lists his sources in each book, with a note to the reader: If anyone has further charts that are not listed above, I would be most appreciative if you could pass them on to me for future updates of this book.

Comparing radio charts In spite of these variables, and the presence of outliers in many charts, popular songs could follow similar trajectories in and out of competing station charts.

As one example, I looked at the chart history of an Australian record from 1967, Simon Says by The Groove, as it charted at 3UZ and 3DB in Melbourne. (Chart site ARSA has an uninterrupted run of charts from these two.) It shows up how the charts could differ from each other in detail, but it also shows how close they could be.

Simon Says was on the charts from September 1967 to January 1968. It did better on 3UZ than on 3DB.

3UZ: 18 weeks on the Top 40, 4 weeks in the Top 10, peaked at #4.
3DB: 16 weeks on the Top 40, 2 weeks in the Top 10, peaked at #8.. 

National charts Even the standard national Australian charts for these early decades, now published by David Kent, are based on radio surveys. As he puts it at his website, before rock'n'roll and in the earliest Top 40s, Hit Parade lists were compiled from sales of sheet music as well as records, plus other factors such as public requests and (perhaps) the opinions of radio stations’ personnel!

David Kent's own Kent Music Report provided the de facto official national charts from 1974 till 1983 when ARIA started its charts. Even then, Kent's data, which had increasingly emphasised sales figures over radio surveys, was licensed to ARIA until 1988. 

Go-Set's national charts An earlier national Top 40 had been published in Go-Set magazine 1966-1974 (now published online at gosetcharts.com). It was compiled by Ed Nimmervol using, according to chart historian Daniel Lowe, a combination of sales figures from retail stores as well as... data from the radio stations charts from around the country

Even so, in 1968 (for example) the Go-Set carts were simply headed with This chart is calculated each week from the most recent charts from the following radio stations: 2UW, 2UE, 3UZ, 3AK, 3DB, 3XY, 4BC, 4IP, 5AD, 6KA, 6PR, 6KY, 7LA, 7HO

(The earliest charts in Britain were also compiled by music magazines. New Zealand's magazine charts in NZ Listener were based on polling rather than sales figures and the same was possibly true of NZBC's early Lever Charts.)

What should we make of all this? So if the retrospective charts we have now are not strictly a reflection of how well records actually sold back in the day, but seem to be based on sources that were open to all sorts of biases, are they a pointless exercise? If #10 in 1967 doesn't necessarily mean #10 as we understand it from say, the modern ARIA charts, am I wasting my readers' time by including chart positions at all?

Well, no. And no. It's possible to be too cynical about these collections of playlists, selective sales figures, and whatever the radio stations wanted to type into their charts. 

Even if they were nothing more than a collection of radio playlists, they would provide a pretty good snapshot of what we were listening to at the time.

At the website of pirate station Radio London (The Big L), the compilers of the Fab 40 charts understand this. Not only are they explicit about the fact that the Big L charts were never compiled from figures supplied by retailers, but they consider this to be an advantage: These Radio London Fab Forty charts differ very much from the National or 'Official' sales-based charts of the time, in that they contain numerous entries from obscure recording artists. Those quotes around 'Official' almost look like a put-down.

In the 50s and 60s, we listened to radio. There was no Spotify or YouTube, no instant downloads or file sharing. There was radio, some TV, and some vinyl if you could afford it (I usually couldn't: most of my 45s were oddities from the cut-out bins). But mainly it was radio. Our generation had a transistor radio to an ear at every possible moment. We woke up to Top 40 radio and we fell asleep to it.

Listening in to Melbourne, I was a dial surfer, from The Greater 3UZ, over to 3DB for Barry Ferber, and on to 3AK or 3KZ as the whim took me. I became a fan of 3XY when it flipped to a pop format.

As a result, if I browse through the Melbourne chart books of Gavin Ryan or Tom Guest, compiled using charts from several stations, I am looking at a recognisable analogue of my teenage listening experience and, I assume, that of my readers. 

Remember too, that radio stations were in a competitive commercial industry. It was their job to tap into the tastes and preferences of their audiences, and I doubt that their playlists and charts were compiled offhandedly. A retrospective chart based around radio playlists still has credibility, even if its sources were not based strictly on sales data.

A final digression My habit of switching stations must have been common, because when 3XY changed its format from adult-oriented albums to Top 40 singles, it placed its news at 10 to and 10 past the hour, an innovation from America. The thinking was that kids listening to the established stations would twiddle the dial in search of music when the news came on at the top of the hour. At that time 3XY would be playing a record, so the kids might discover the station and stay... But maybe only till 10 past when the news came on!


Toppermost of the poppermost are John Lennon's words, but you probably know that by now.

Sources I haven't used academic footnoting, but I've drawn on these sources.
Daniel Lowe's informed, concise overview of the history of Australian charts. [Offline but archived here.]
Detailed chart history at Milesago which covers Australia and other countries: Top 40 Radio and the Pop Charts
• The indispensable ARSA - The Airheads Radio Survey Archive
• Wayne Mac, Don't Touch That Dial: Hits & Memories of Australian Radio (2005)
• Gavin Ryan's Music Chart Books for Sydney, Melbourne, Brisbane, Adelaide and Perth 1953-2013, (2004-2007)
• Thomas J. Guest, Thirty Years of Hits: Melbourne Top 40 Research 1960-1990 (1991)
• Jim Barnes, Fred Dyer and Stephen Scanes, The Book, Top 40 Research Services (1986)
Website for David Kent's Australian Chart Books (includes online store)
• Alan Smith's history of British charts at Dave McAleer's website [Internet Archive]
• New Zealand's Lever Hit Parades 1960-66 and NZ Listener Charts 1966-74 with brief commentary at Flavour of New Zealand.


Collectors' Corner Here is my entire collection of authentic 1960s charts

:

07 December 2007

You study 'em hard and hopin' to pass...

CNN.com shows how to make James Brown sound tedious:

CNN Special Investigations Unit Classroom Edition: James Brown: Say it Proud ...

Teachers: Please preview this program, as its content may not be appropriate for all students.

Grade Level: 9-12, College

Subject Areas: Fine Arts, Social Studies

Objectives

The CNN Special Investigations Unit Classroom Edition: James Brown: Say it Proud and its corresponding discussion questions and activity challenge students to:

1. Examine the legacy of James Brown;
2. Identify the historical context of key events in Brown's life;
3. Design an exhibit for a memorial to James Brown.

Discussion Questions...

[Link]

21 October 2007

Are you a hippy?

Barry McKay, who compiled the online Go-Set charts (1966-1974), has cleverly adapted this magazine quiz from 1967 so that you can answer it online.

Some of the choices were a bit obscure to me after all this time, but it told me I'm "half way to San Francisco", even if I am running 40 years late.

Come on, answer honestly: would you rather go to
a love-in or a drive-in? A nice bit of retro-fun. [Link]


13 October 2007

More lifted tributes

Lachie's Lifted Tribute site, where he spotlights musical soundalikes, has a bunch of updates, including a possible musical echo of The Angels' Am I Ever Gonna See Your Face Again.

A highlight is his list of silent pieces that came before and after John Cage's 4' 33" (1952). I'd heard about (but didn't entirely believe in) the suit against Mike Batt for copying Cage's silence, and I'd recently seen a silent piece being staged on TV, a tired and unoriginal musical joke that the studio audience nevertheless found hilarious. I didn't realise, though, that it can be traced back to 1884 and Alphonse Allais's Funeral March for an Illustrious Deaf Man, and there was a further pre-Cage example in 1919 by dadaist Erwin Schulhoff.

Lachie's main source is A Better Silence, a great article at Tux Deluxe that goes into the history of the silent work, including details of Mike Batt's (real) trouble with Cage's people.

22 March 2007

Attention all personnel...

David Long, at his M*A*S*H fansite Best Care Anywhere, has not only identified the actors who did the PA announcements in M*A*S*H (Sal Viscuso and Todd Susman) but he's actually on the way to transcribing every announcement and listing them, episode by episode.
Attention all personnel. By order of Major Frank Burns, lights out in ten minutes sharp. Anyone not in their own beds at that time will have to spend the night wherever they are.
This kind of obsessive fandom you just have to admire.

The site's front page is at BestCareAnywhere.net.

16 May 2006

More Kookies

Since I wrote here about A Kookie Little Paradise, Phil X Milstein has posted some Kookie audio treasures over at Probe is Turning-on the People!

There you can listen to two Jo Ann Campbell versions, one with a Tarzan call, one without; and what may well be the original version, by The Tree Swingers, along with the B-side.

Kees van der Hoeven (of John D. Loudermilk fame) was onto the alternative Jo Ann Campbell versions, at The Originals Problem-solving Forum: Original version had an Ape-call introduction. After release it was quickly withdrawn and re-issued with a decent no-ape version that became the OZ hit. (Post now deleted.)

Joop Jansen, also at the Forum, mentioned three other versions, all in languages other than English, now also listed by Phil.

07 March 2006

Cheapo Labels: some links

See my Links page at the website for some of the links I've found about cheapo/budget/soundalike labels, including the British soundalike hits albums Top Of The Pops.

Rikki Henderson's appearance on Oh Boy! on 21 February 1959 is listed at the Oh Boy! Diary website. (Archived page. Also appearing: Gerry Dorsey, before he was Engelbert.)

06 March 2006

Embassy Records

I just found a great thread at Vinyl Vulture forum, kicked off by Michael White with lots of information about artists who recorded for British label Embassy, the source of Golden Fleece's Top Hits records.

Michael writes, for example, about Rikki Henderson:
I have recently read that Rikki Henderson won his contract with Embassy through a competition run by Mirabelle magazine, but I have also seen a reference to a resident vocalist with the Denny Boyce Orchestra called Rikki Henderson (Rikki also apparently made one appearance on TV's 'Oh Boy').

(Oh Boy! There's another Trevor Peacock connection!)

23 June 2005

Aussie aircheck sites

As far as I can see we don’t have an Australian equivalent of Reel Top 40 Radio Repository, the site where you can listen to some 1500 audio clips of US deejay shows from the golden era of Top 40 radio. The British Pirate Radio Hall of Fame also has clips, from the stations that were Top 40 radio in the UK for a while in the 60s (and a surprising number of the disc jockeys were Aussies).

[Update: The Radio Antenna blog has a growing collection of Australian airchecks from several decades, See also their Facebook page.]

These clips are known as airchecks, meaning a recording of a live radio program. I first saw the word on CDs of big bands from the 40s, indicating that a track is from a broadcast rather than a studio session.

The Adelaide station 5KA had a site with a fine collection of airchecks, including many from the 60s and 70s, but it is no longer online. The good news is that the whole 5KA site, including the audio files, is archived at the National Library of Australia’s Pandora Archive. The files are in mp3 format. My favourites are the 1968 clips, which evoke the atmosphere of just about any commercial radio station of the era.

Also at Pandora is the archived Jingles Shrine website, where you can still hear old station jingles from all over Australia (RealAudio format UPDATE 2012: not all audio files work).

I recently mentioned Tony Sanderson’s pages of Australian and British audio files (mp3 and RealAudio) at Bluehaze Media. The real gems here are two complete programs, a 30-minute weekly Top 10 countdown from June 1962 by Ernie Sigley, and a 60-minute Top 20 of 1962 with Barry Ferber from January 1963. Both were broadcast on Melbourne station 3DB and its relay station in the Wimmera, 3LK.

(If those callsigns sound unfamiliar, 3DB became 3TT, then TT-FM, now known as Mix 101.1. 3LK was replaced by still-operating Horsham station 3WM).

The Top 10 is, as you would expect, a nice snapshot of what we were listening to in Vic at that time. At #1 is Toni Fisher’s West of the Wall, one of those Oz-only chart-toppers that Glenn A. Baker put on one of his Hard to Get Hits collections. After my recent post on the topic, I was delighted to find two Bizarro Shadows World Down Under tracks: The Joy Boys’ Southern ‘Rora and Rob E.G.’s 5, 4, 3, 2, 1, Zero.

And, I could hardly believe it, for the second time yesterday I found myself listening to I’ve Been Everywhere, a song that seems to be haunting me at the moment.

12 June 2005

Sir! Sir! He's copying!

When it comes to attribution I like to avoid such ugly terms as plagiarism, stealing, and blatant rip-off. Instead, I say that a song reminds me of another, or that a writer may have been influenced by somebody else's work. Perhaps they subconsciously borrowed, or they believed that an old melody was in the public domain anyway. I mean, who needs email from angry songwriters?

Will Shade, over at the music webzine Perfect Sound Forever, has no such qualms. He comes down hard on Jimmy Page for his role in the uncredited recycling of material, first by the later-period Yardbirds and then by Led Zeppelin. The article's title is unambiguous: The Thieving Magpie: Jimmy Page's Dubious Recording Legacy. In one or two cases, the claims have been pursued successfully in the courts, notably by Willie Dixon, who wrote the Muddy Waters song You Need Love (1962), the ultimate source of Led Zeppelin's Whole Lotta Love (1969), via the Small Faces' You Need Loving (1966).

Will Shade discusses a long list of Yardbirds and Led Zeppelin songs and their uncredited sources, mainly from blues artists. I hate to disillusion you completely, but not even Stairway To Heaven comes out of it unscathed.

To restore your faith in humanity, have a look at the Songs page at Snopes.com, the urban legends website. There you will find links to a number of pages that discuss song origins and related topics. It may raise your spirits to learn that Bob Dylan didn't steal Blowin' In The Wind from a high school student.

Before the age of mass communication and copyright law, none of this was much of an issue. Folk songs were by definition fair game, and blues artists routinely recycled traditional and contemporary material: that was part of their art.

The likes of Bach, Vivaldi and Handel happily nicked bits and pieces from each other, probably seeing it as a dip of the ol' lid to a fellow composer. (To get an idea of the extent of this in classical music, see the long annotated bibliography of Musical Borrowing at the University of Indiana.)

A songwriter's defence could be that there must be a finite number of possible tunes, so it would be surprising if there were no overlap among the millions of songs that have been written. On the other hand, one brave soul at Everything2.com has attempted to calculate that number, and it turns out to be a very big number indeed.

Still, when you consider all the songs and jingles and soundtracks and people whistling a tune in the street that a songwriter hears in a lifetime, it must be maddeningly easy to recycle a snatch of melody without realising it. Then someone hears your latest punk anthem and says, "Hang on, isn't that Dance of the Sugar Plum Fairies?"

It can happen to anyone: browse the Google search results for plagiarism + "George Harrison". You can also read about the cases of Jerome Kern, Britney Spears, Michael Bolton and others listed at the Columbia Law School's Music Plagiarism Project . In the Tin Pan Alley era, songwriter Ira Arnstein became a serial filer of plagiarism suits against his contemporaries, no doubt aided by the fact that it if you set your mind to it, you can find similarities between songs.