Popsugar Entertainment Jimmy Fallon Jimmy Fallon Sings With Classroom Instruments | Videos Watch All the Times Jimmy Fallon Nailed It With Classroom Instruments June 11, 2019 by Maggie Panos View On One Page Photo 9 of 16 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 9 "All About That Bass" With Meghan Trainor Related: Jimmy Fallon and Meghan Trainor Did "All About That Bass" With Classroom Instruments Previous Next Start Slideshow Jimmy FallonThe Tonight Show Starring Jimmy FallonViral VideosMusicTVLate Night Highlights