George Duke, Kerry McNabb and Ian Underwood.
All three of them worked with Raul De Souza.
"Sweet Lucy" (1977) was produced by George Duke, engineered by Kerry McNabb, and featured Ian Underwood.
"Don't Ask My Neighbors" (1978) was produced by George Duke, engineered by Kerry McNabb and featured a lot musicians that had recorded with George Duke.
--info: Jan van Kemenade