The Beatles - 20 X 4

Notes from later CD remaster:

From an original 1977 16-track pressing on Ruthless Rhymes JPGR 1177.
The LP was pirated in 1979 in inferior quality, minus the 16th track. This is the most common version, distinguished by the spine reading "JPGR REMIME."

Track descriptions from cover [plus from CD remaster]:
A1 - Different version than on Abbey Road Album 1969 [69-07-18 Take 21]
A2 - Unreleased track from Sgt. Pepper recording sessions 1967
A3 - An acoustic outtake from the White Album with Donovan P. Leitch 1968 [11-68 from "The Post Card Tape"]
A4 - Different version from A Hard Day's Night LP sessions 1964 [64-07-14 BBC]
A5 - Demo version (recorded with hand held recorder by journalist in studio) 1965 [65-04-13 Take 9]
A6 - Different version sung by George, studio 1964 [64-09-24 Take 4]
A7 - Unreleased track from McCartneys Nashville recording sessions 1974 [actually, "Homecoming Queen" by Kenny O'Dell, the b-side of release].
B1 - A live version from Lennon's appearance on "Salute To Sir Lew" ABC T.V. special 1975 [75-06-13 TV]
B2 - Ringo's song for Simple Life leisure suits from Japanese T.V. 1977 [1977 Japan TV Ad]
B3 - Unreleased rehearsal from Harrison's appearance on NBC "Saturday Night" with Paul Simon 1976 [76-11-17 Saturday Night Live Rehearsal]
B4 - Unreleased track from a Wings recording session live in the studio, New Orleans 1975 [75-02-13 WVUE-TV News]
B5 - Unreleased rehearsal from White Album sessions with Donovan Leitch 1968 [11-68 from "The Post Card Tape"]
B6 - Re-mixed version from Abbey Road Album with missing chord 1969 [69-07-02 Take 3]
B7 - George Harrison 7 Bob Dylan recorded at Dylan's Woodstock home 1970 [11-1968 Woodstock, NY]
B8 - Outtakes from the acoustic taping of "James Paul McCartney" recorded 1973 [03-1973]