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Watch Meghan Trainor & The Roots Do 'All About That Bass' With Classroom Instruments

Jimmy Fallon and Meghan Trainor sing "All About that Bass" on The Tonight Show
Douglas Gorenstein/NBC

Jimmy Fallon and Meghan Trainor sing "All About that Bass" with The Roots on September 4, 2014 on The Tonight Show

At this point, we can all agree that The Tonight Show's best segment is musicians coming on and performing their hits with classroom instruments alongside Jimmy Fallon and The Roots, right?

Another installment of the winning series took place last night, with Meghan Trainor stopping by to gain even more momentum for her viral-y hit "All About That Bass," which is currently sitting at No. 2 on the Billboard Hot 100.

Check out the performance below: