Listen to If You're Happy And You Know It (Annie Ben and Mango) online. If You're Happy And You Know It (Annie Ben and Mango) is an English language song and is sung by Hooplakidz. If You're Happy And You Know It (Annie Ben and Mango), from the album Hooplakidz: Nursery Rhymes, Vol. 3, was released in the year 2022. The duration of the song is 3:13. Download English songs online from JioSaavn.