WATCH: Madonna And Friends Perform 'Holiday' With Classroom Instruments

Remember all those kid-friendly instruments from elementary school? Music classes got noisy with toy xylophones, bongos, tambourines and maracas.

On last night's Tonight Show, host Jimmy Fallon, house band The Roots and special guest Madonna proved they were the funkiest kids on the playground when they used only grade school instruments to perform a joyous cover of the Queen of Pop's 1983 hit "Holiday." Do you need more cowbell? Madonna has it covered. What fun!

Check it out:

The singer also slayed the audience of The Tonight Show with the performance of a single from her new album Rebel Heart, "Bitch, I'm Madonna." Watch it below.