Listen to If You're Happy and You Know It online. If You're Happy and You Know It is an English language song and is sung by Dream So Deep, Sleep, Deep Sleep Music Club, Dream, Calm Children Collection and Baby Can't Sleep. If You're Happy and You Know It, from the album Children Songs for Ambiance, Meditation, Insomnia, and Restless Children, was released in the year 2015. The duration of the song is 1:55. Download English songs online from JioSaavn.