artwork by Mike Metz
tracks a1 to b3 bass Phil Upchurch
tracks c1 to d7 bass Wolfgang Melz
tracks d1 to d5, d7 drums Bob Morin
tracks c1 to c4, d6 drums John Dentz
tracks a1 to b3 drums Morris Jennings
tracks c1 to c4, d6 electric piano Mike Lang
engineer [re-issue] Eric Thorngren
tracks c1 to d7 flute [wood] John Klemmer
tracks c1 to d7 guitar Art Johnson
tracks a1 to b3 guitar Pete Cosey
tracks d1 to d5, d7 keyboards Richard Thompson
tracks c1 to c4, d6 organ Mike Lang
tracks a1 to b3 organ Richard Thompson
tracks c1 to d7 other [echoplex] Art Johnson
tracks c1 to d7 other [echoplex] John Klemmer
tracks a1 to b3 other [electronic horn effects] John Klemmer
tracks c1 to c4, d6 percussion Gary Coleman
tracks c1 to c4, d6 percussion Mark Stevens
tracks a1 to b3 piano Richard Thompson
producer [re-issue] Marshall Chess
producer [re-issue] Tomie Swan
saxophone John Klemmer
tracks c1 to c4, d6 vibraphone Lynn Blessing
All tracks that appear on sides A & B are from the album 'Blowin' Gold', recorded at Ten Mar Studios, Chicago, February 1969.

All tracks that appear on side C and track D6 are from the album 'Eruptions', recorded at United and Western Studios, LA, August 1970.

All tracks that appear on side D (except D6) are from the album 'All The Children Cried', recorded at United Studios, LA, September/October 1969.