Tracks 1 & 4 originally released as single A and B-side in 1971 [Yin Yang S 101] According to www.45cat.com the release date is 1970
Tracks 2 & 3 originally released as single B and A-side [Blackstar S 102] No date release
Tracks 5, 7, 14 and 17 previously unreleased
Tracks 6, 8 to 13, 15 and 16 originally released as LP " Summer's Comin' On Heavy " in 1998 [Rockadelic Records RRLP33]
Tracks 1-4 from the singles on Black Star. (Though it should be noted that "Summer" and "Lay" are actually the Yin Yang release versions.)
Tracks 9-12 are alternative versions from band tapes.
Tracks published:
1 to 7 and 9 to 17 Cicadelic Music (BMI)
8 Bella Godiva Music, Inc. (BMI) According to Discogs it is affiliated to ASCAP
"It should also be noted that the CD as a whole plays slightly slower than the Rockadelic release as well as the original singles. This is due in part to the overly boosted bass throughout." (not from the booklet)