Listen to Jab Deewane They Hum online. Jab Deewane They Hum is a Hindi language song and is sung by Nikhil-Vinay and Dharmesh Nahar. Jab Deewane They Hum, from the album Jab Deewane They Hum, was released in the year 2007. The duration of the song is 5:05. Download Hindi songs online from JioSaavn.