WATCH: Jimmy Fallon's barbershop quartet version of R. Kelly's 'Ignition (Remix)'
"Ignition (Remix)" is an R. Kelly classic .. but we bet you've never heard it sung by a barber shop quartet!
As Jimmy Fallon continues to kick off the new "Tonight Show," he performed R. Kelly's smash hit ... along with his barber shop quartet, The Ragtime Gals. And in full barber shop quartet fashion!
Check it out below!
The Ragtime Gals: Ignition (Remix)