Not sure how it all came about , who approached who?, but Rick James did not turn his back on the Motown stars that proceeded him. Whether he felt it benefited his career ... or theirs , or out of respect, [[or Motown strong-armed him!:p) no matter the motivation , I think he deserves some hefty credit.
Smokey Robinson:
https://www.youtube.com/watch?v=ww-qjnpA8kc