There's been a lot of discussion over the years whether or not The Beatles accompanied Tony Sheridan on the track Swanee River. According to Hans Olof Gottfridsson in his book The Beatles From Cavern to Star-Club, they did. The presskit tells us:
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The book contains a complete review of all German, English, French, Swedish and American releases of songs which were recorded during this period and released up until 1970. All singles, EP's and LP's are depicted. Every release has been priced according to rarity and collector's item status. The author has succeeded in tracing-previously believed to be lost forever-the original protocols from the Polydor recordings, which show beyond any doubt that The Beatles did record "Swanee River". The book features the first complete facsimile reproduction of Polydor recording sheets, contracts and much more. Once and for all it is now made clear which of the Tony Sheridan releases The Beatles actually took part in and played on.
A vinyl EP is enclosed. The record contains four tracks with The Beatles and Tony Sheridan. The original 1962 version of "Sweet Georgia Brown" is released here for the first time ever in stereo! Comprises more than 400 illustrations, including lots of photos of rare records and acetates. This is the most comprehensive book available on the subject and it reveals new information about early Beatles history. An essential sourcebook both for seasoned collectors and for those just starting out.
Written contributions from Tony Sheridan, John Duff Lowe (The Quarry Men) and Bill Harry (founder of legendary music paper Mersey Beat.)
Interviews with, amongst others, the original Quarry Men members Rod Davis, Len Garry, Colin Hanton and John Duff Lowe, plus Johnny "Guitar" Byrne (Rory Storm and The Hurricanes) and Roy Young (who played piano on some of the recordings The Beatles and Tony Sheridan made together in Hamburg), as well as Karl Hinz and Gunther Sorensen, two former sound engineers at Polydor in Hamburg who recorded The Beatles. Forward by Professor Toru Mitsui, Kanazawa University, Japan.
But Hans Olof probably did not know that Swanee River was recorded twice. Eric Krasker explains:
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As once believed and reported by some very respected Beatle historians, magazine and book publishers, the Beatles version of Swanee River never appeared on the "Hamburg Twist" EP nor on Tony Sheridan's "My Bonnie" LP. Eric Krasker, who has recently published a book entitled "The Beatles Investigation of a Myth 1960-1962" wrote the following in an English summary manuscript: "While it is perfectly correct that the Beatles recorded a version of Swanee River with Tony Sheridan on 24 May 1962, the documents I discovered in the Polydor archives clearly prove that it cannot be the version included on the My Bonnie LP, as the first pressings of this album left the record plant in early April 1962." Eric Krasker's seven-year research effort also made the author come to the realization that The Beatles version of Swanee River has since either been destroyed or has disappeared altogether from the Polydor tape archives. Thus, the "Hamburg Twist" EP as provided in Hans Olof Gottfridsson's book, "The Beatles: From Cavern to Star-Club", you will note that the name "The Beatles" is credited on the label below each and every song. "The Beatles" credit for "Swanee River" is incorrect along with the misleading cover sleeve entitled "THE BEATLES with Tony Sheridian HAMBURG TWIST which presents the song titles for the EP. Said Eric Krasker: "Gottfridsson was more or less forced to acknowledge this in the book with a Bear Family box-set reissue of the Polydor recordings....the fact that Bear Family admitted the only surviving version of Swanee River had no Beatle involvement."
So, there was a version of Swanee River recorded with The Beatles, but it has been erased from the Polydor Tapes or it is still in the Polydor archives somewhere.