Kamasi Washington, Angel Olsen, Remi Wolf and King Princess, among others. Watch Haim sing through the alphabet on Sesame Street above.

Watching The Roots, Jimmy Fallon and Elmo play "Sesame Street" on classroom instruments will make you feel like a kid again. Jimmy Fallon and The Roots have played various hit songs using rainbow ...

Pop stars have been singing the Muppets’ tunes (and vice versa) ever since. By Melena Ryzik How many ways can you sing about the letter B? On “Sesame Street ... Frog and Lena Horne rehearsing ...

Sing your ABCs with Elmo and all your favorite Sesame Street Muppets! Float with an astronaut in space, juggle with a robot, and swing by the "G Club" to hear the different sounds it makes!