>> this is now a learning ground. >> i'm always going to remember the time i learned what not to play and when not to play. >> hopefully every five years or ten years, there will be another version of "what's going on" by another artist. ♪ there is far too many of you dying ♪ ♪ you know you've got to find a way ♪ ♪ to bring some love ♪ >> michael mcdonald's version of it, john legend did the whole album live. ♪ what's going on, hey, what's going on ♪ >> tell me what's going on, ooh ♪ >> all the neo soul guys, deangelo, maxwell, people like adele. ingmar vin is the most