Listen to Hum Tum online. Hum Tum is a Hindi language song and is sung by Alka Yagnik and Babul Supriyo. Hum Tum, from the album Zara Gungunalein Chalo - Hits Of Rani Mukerji, was released in the year 2015. The duration of the song is 5:29. Download Hindi songs online from JioSaavn.