Mama Feelgood, a cover version of the track by Lyn Collins, was performed in part during a streamed rehearsal version of Musicology during 3rdEye TV Show # 4 in 2013. The track, which appeared on the 1973 album Black Caesar (the soundtrack album to the movie Black Caesar, mostly performed by James Brown). The track was written by James Brown and Lyn Collins.
The version streamed was a rehearsal recorded in mid-June 2013, at Paisley Park Studios, Chanhassen, MN, USA, with lead vocals by Shelby J. No studio version by Prince of Mama Feelgood is believed to exist.