Listen to If I Didn't Have You (From "Monsters, Inc.") online. If I Didn't Have You (From "Monsters, Inc.") is an English language song and is sung by Billy Crystal and John Goodman. If I Didn't Have You (From "Monsters, Inc."), from the album Disney Classics, was released in the year 2013. The duration of the song is 3:40. Download English songs online from JioSaavn.