Your browser does not support the video element. Since "Sesame Street" will soon be joining a new platform, there's no better time to take a walk down muppet memory ...

Danielle, Este and Alana Haim are reinventing the alphabet song — with the Muppets of Sesame Street! The sister trio ... Big Bird, Cookie Monster, Burt, Ernie, Oscar the Grouch, Abby Cadabby ...