One bass guitar player that worked with James Brown is Bootsy Collins who also worked with Parliament Funkadelic. This video also features several other bass guitar players.
Bootsy Collins @ Bass Player Live 2010
"Bootsy with few of the BEST BASS Players in the world."
We always dug Bootsy with George Clinton and Parliament, he totally rocked the stage with James Brown and also in this video. Share it if you dig it!