Teena Marie
Franky Beverly & Maze (I just loooove them).
Luther Vandross (OLD, JEHRI CURL LUTHER).

Earth, Wind, & Fire
Jeffery Osbourne
I'm from the "old school" and in the late 70's and early to mid-80's, you had REAL bands and singers. There ARE a FEW exceptions nowadays (like Jill Scott, Joe, Angie Stone, and others), but not very many people can really sing these days.