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 The Playtime Allstars. If You're Happy and You Know It, from the album Childrens Favourite Nursery Rhymes & Songs - 60 Timeless Toddler, Playgroup, Pre-School & Kindergarten Kids Classics, was released in the year 2014. The duration of the song is 1:49. Download English songs online from JioSaavn.