Add Yahoo as a preferred source to see more of our stories on Google. Jimmy Fallon’s 9 Most Memorable ‘Classroom Instruments’ Moments, From Carly Rae Jepsen to the Backstreet Boys (Videos) Carly Rae ...

One of the many versions of 'Call Me Maybe' that went viral in 2012. Watch as Jimmy Fallon, guest Carly Rae Jepsen, and The Roots grab instruments you'd find in an elementary school classroom and ...