From the press release:
This quintessential release presents the rare and long out of print South African edition of the Jailhouse Rock LP (1958), which marked the album's lone appearance on the 12-inch format. Five of the six songs performed by Elvis in the movie Jailhouse Rock were originally issued in 1957 on the eponymous 7-inch EP released worldwide.
Unconfirmed tracklist:
Side A: Jailhouse Rock - Young And Beautiful - I Want To Be Free - Don't Leave Me Now - Baby I Don't Care - Treat Me Nice
Side B: I Beg Of You - Don't - Playing For Keeps - Shake Rattle And Roll - Good Rockin' Tonight - I Don't Care If The Sun Don't Shine
(Source: VinylMNKY)