Behold Jimmy Fallon's latest edition of Classroom Segments.
Himself, The Roots and Ariana Grande teamed up and did one of the best performances we've seen in a while.
She sang her latest single No Tears Left To Cry and they performed it using the new Nintendo Labo cardboard instruments.
Fair play to them. Most reviews have said they're tricky to get the hang of, but this looks and sounds pretty flawless.
