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

Sesame Street' is coming to a stage near you this summer. Since Sesame Street first began airing in 1969, children have loved it thanks to the goofy, kind, funny, affectionate Muppets—including Big ...