he said one time the phone rang and he answered and it was chaka khan. that's how he met her. he was doing a phone prank. he didn't move. never left minneapolis. he was in new york a lot, always here. >> still doing tons of live shows. always a performer. >> listen, he would do a live show for three hours and then leave and go to a club that night, same night. you never seen anyone quite like this. >> not to end on a downer, did you have any clue things were wrong with him health wise? >> the thing that really bothers me about it is the prince i know was like super healthy, vegan, wasn't an abuser of drugs or alcohol. he lived right, you know. he was clean. he looked young and looked really healthy and vibrant. the whole thing is just very mysterious to me. >> good to be here, l.a. >> thanks for having me. >> thank you. >> i appreciate it, guys. >> "purple rain" will be one of prince's greatest legacies. here is nbc's joe fryer.