piece to perform live. ♪ so much to say >> because there are time changes, there are key changes. a lot of different intricacies that had to be fit together like a puzzle. this guy is singing that. this guy is singing this. >> we were playing with world class singers, players, writers. and the same thing, lee was a really serious musician. ♪ >> also, he had a real identity problem in those days. i mean, it was real tough. >> i never had confidence in myself. i was always like, i'm not good enough. i don't know. you know, i don't belong here. i was just afraid of people. afraid of success, i guess. >> i wasn't writing a pop song.