Jimmy Fallon and Billy Joel duet with an iPad

Does Jimmy Fallon want to join Billy Joel at Madison Square Garden?

It certainly seemed that way on yesterday’s Tonight Show, when the fanboy host pitched a duet sing-along to Joel — with a twist. “I’m a little nervous,” Fallon admitted. “You’re one of my all-time favorites, so even just to talk to you is the craziest thing.” Feeling their chat had gone well, Fallon went all-in and broke out an iPad with an app that allows users to record and loop their voices to make their very own doo-wop groups.

Watch Fallon talk a surprisingly game Joel into performing “The Lion Sleeps Tonight,” and then witness what must be Joel’s first iPad-assisted performance: