Jimmy and Billy Joel loop their voices on an iPad app to form a 2-man doo-wop group -- singing "The Lion Sleeps Tonight" by The Tokens in 4-part harmony. Subscribe NOW to The Tonight Show Starring Jimmy Fallon: http://bit.ly/1nwT1aN Watch The Tonight Show Starring Jimmy Fallon Weeknights 11:35/10:35c Get more Jimmy Fallon: Follow Jimmy: http://Twitter.com/JimmyFallon Like Jimmy: https://Faceboo
![Billy Joel and Jimmy Fallon Form 2-Man Doo-Wop Group Using iPad App](https://cdn-ak-scissors.b.st-hatena.com/image/square/15a8b373750baf924a2a66c0584176c4042888d7/height=288;version=1;width=512/https%3A%2F%2Fi.ytimg.com%2Fvi%2FcU-eAzNp5Hw%2Fhqdefault.jpg)