50th anniversary edition. Expanded release with deluxe packaging and new liner notes features over 70 minutes of previously unreleased material on two discs, recorded during the 1971 album sessions and making a physical debut for RSD. Only one track ("Strictly Off The Wall, Look What You've Done") from the bonus material was previously available on the Run Out Groove vinyl release: Professor Bizarre's Funknology (ROGV-020).
D4 "Unknown Jam" is on the backcover mistakenly numbered as "2. Unknown Jam".
Made in the Netherlands. 3,000 copies.
