Looks like this 45" was The York Brothers
' only Decca single
. The A-side, "Everybody's Trying To Be My Baby," written by Webb Pierce and Johnny Mathis, is readily available on Youtube
-- and yes, it's that Beatles song you're thinking it is. But this down-tempo B-side was written by the York Brothers (Leslie and George) themselves. Not that catchy but entirely listenable, and it looks like the Internet has never heard it. Borrowed from my in-laws' collection.
Download I Want My Baby Back