Released in 1992 on the German label BCM Records and samples "Soul Power 74" by Maceo Parker.
Brown performs "Soul Power" on the live albums Revolution of the Mind: Recorded Live at the Apollo, Vol. III (1971) and Love Power Peace (1992; recorded 1971).
An instrumental version of "Soul Power" was created in 1974 by adding new overdubbed horn parts by Maceo Parker and Fred Wesley to the rhythm track of the original recording. Sound engineer Bob Both added random sound effects at several points to conceal where the horn track from the original recording had bled through into the rhythm parts. Titled "Soul Power '74" and credited to "Maceo & the Macks", the new version was released as a single on People Records and reached #20 on the R&B charts. It also appeared on the album Us!.
A re-edit of "Soul Power" was included on the 1986 compilation album In the Jungle Groove.
Both the original recording of "Soul Power" and "Soul Power '74" have been extensively sampled by hip hop producers. "Soul Power '74" was also sampled on Jennifer Lopez's 2005 song "Get Right".
"Soul Power" was covered by the alternative rock band The Smashing Pumpkins on their 2000 album Machina II/The Friends & Enemies of Modern Music.