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 Kidsongs, Calm, Baby Lullaby and Kids Music for Rest. If You're Happy and You Know It, from the album Ambient Children Songs with Brown Noise Waves (Seamless Loopable Lullabies for Meditation and Rest), was released in the year 2015. The duration of the song is 2:27. Download English songs online from JioSaavn.