Listen to Saajan Aayo Re online. Saajan Aayo Re is a Hindi language song and is sung by A.R. Rahman, Jonita Gandhi, and Nakash Aziz. Saajan Aayo Re, from the album OK Jaanu (Original Motion Picture Soundtrack), was released in the year 2017. The duration of the song is 6:09. Download Hindi songs online from JioSaavn.