While shooting local promos for “The Tonight Show,” guests Billy Joel, J.K. Simmons and host Jimmy Fallon broke into a spontaneous doo-wop rendition of Joel’s 1983 hit, “The Longest Time.”
The Piano Man, the and the current king of late night, absolutely nailed the acapella performance, with a little help from Joel’s band, of course.
Roll into your weekend with this jam: