This chap would probably do the trick. Shadrach "Shad" Kabango.
http://www.youtube.com/watch?v=FIoOWA7sH8s "Out Of Love"
http://www.youtube.com/watch?v=IoM6t5SMFFw "Out Of Love Pt. II"
http://www.youtube.com/watch?v=sCxPp4AOfQA "Question Marks"
http://www.youtube.com/watch?v=CKLfOO7hQOo interview
And um, maybe Fat Lip, formerly of the Pharcyde. His solo album, at least, had some excellent introspective, honest songs-
http://www.youtube.com/watch?v=iSgfmvMcOi4 -there's one.