Listen to Happy Birthday to You (Intro) online. Happy Birthday to You (Intro) is an English language song and is sung by Cookie Monster, Bert & Ernie, Big Bird, Oscar, Maria, Bob and David. Happy Birthday to You (Intro), from the album Sesame Street: Happy Birthday from Sesame Street, was released in the year 2004. The duration of the song is 0:18. Download English songs online from JioSaavn.