Elvis overdubbed the "Piano" and "Guitar
Back Beat" himself.
On the CD version of 'Worldwide 50 Gold Award
Hits Volume 1' the Undubbed Master of Wear My
Ring Around Your Neck was used, however, on the
original 4LP set of 'Worldwide 50 Gold Award Hits
Volume 1' the Overdubbed Master was used.
'Sessions III' incorrectly lists the Undubbed
Master of Wear My Ring Around Your Neck
as being released on 'Gold Records Volume 2' when
it was the Overdubbed Master used on the original
release of that album. The Undubbed
Master actually first appeard on the 1984
RCA CD (10 track U.S. version) of 'Gold Records
Volume 2' however, and it's first commercial (International)
release was the 1987 compilation 'All Time Greatest
Thanks to Gordon Minto for source comparisons.
In March of 2007, Sony decided to go through all of Elvis' masters. They retransferred everything and remastered all tracks including repairing as many clicks, pops, bad edits and dropouts as they could. They have used these newly mastered recordings on their new releases since 2007 including budget soundtracks, 'Legacy' releases, the 30 disc 'Complete Elvis Presley Masters' collection and the Franklin Mint package.