- Larry Graham (Sly & the Family Stone) - Mark Adams (Slave) - Michael Wiley (Dazz-Band) - James Alexander (The Bar Kays) - Nathaniel Phillips (Pleasure) - Louis Johnson (Brothers Johnson, Side Effect, M. Jackson...) - Aaron Mills (Cameo) - Kool Bell (Kool & the Gang early 70's) - Marvin Isley (Isley Brothers) - William Bootsy Collins (James Brown)