The Lonely Island, Jimmy Fallon, and The Roots Perform 'I'm On a Boat' With Classroom Instruments

Tonight Show host Jimmy Fallon and The Roots join comedy trio The Lonely Island in singing their hit song, "I'm On a Boat," while playing instruments you'd find in a grade-school classroom.

Previously: Adele and Jimmy Fallon Perform 'Hello' with Classroom Instruments

[The Tonight Show]