Listen to Caller Tune (From "Humshakals") online. Caller Tune (From "Humshakals") is a Hindi language song and is sung by Himesh Reshammiya, Neeti Mohan and Neeraj Shridhar. Caller Tune (From "Humshakals"), from the album Best of Bollywood: Hit The Dancefloor, was released in the year 2016. The duration of the song is 4:33. Download Hindi songs online from JioSaavn.