Originally scheduled for release in July 1971 as King SLP 1126. Produced by James Brown. Engineered by Ron Lenhoff.
"The Grunt" recorded May 19, 1970, at King Studios, Cincinnati, Ohio; "I'll Ze" and "When You Feel It Grunt If You Can" recorded June 30, 1970, at Starday Studios, Nashville, Tenn.; "These Are The J.B.'s" recorded September 9, 1970, King Studios, Cincinnati, Ohio.
"When You Feel It Grunt If You Can" includes portions of "Let The Music Take Your Mind", written by Kool & The Gang and Gene Redd Jr.; "Chicken Strut", written by The Meters; "Power Of Soul", written by Jimi Hendrix.
The originally scheduled issue of this album included overdubbed crowd noise. For this issue of the album, the original, undubbed two-track stereo mix was used as source.