Listen to If You Wanna Be Happy for the Rest of Your Life online. If You Wanna Be Happy for the Rest of Your Life is an English language song and is sung by Jimmy Soul. If You Wanna Be Happy for the Rest of Your Life, from the album Oldie & Goodie Hit Mix, Vol. 2, was released in the year 2016. The duration of the song is 2:19. Download English songs online from JioSaavn.