Listen to Hem - Alaap - Gat online. Hem - Alaap - Gat is a Hindustani language song and is sung by Ustad Allauddin Khan. Hem - Alaap - Gat, from the album Sangeet Sadhak Acharya Allauddin Khan, was released in the year 1976. The duration of the song is 19:45. Download Hindustani songs online from JioSaavn.