Listen to That's What Friends Are For (Instrumental) online. That's What Friends Are For (Instrumental) is an English language song and is sung by The Professionals. That's What Friends Are For (Instrumental), from the album Backing Track Database - The Professionals Perform the Hits of Dionne Warwick (Instrumental), was released in the year 2014. The duration of the song is 4:16. Download English songs online from JioSaavn.