Listen to Thhasu Pahla online. Thhasu Pahla is a Rajasthani language song and is sung by Droan, Kumar Sanu and Sadhana Sargam. Thhasu Pahla, from the album Dastoor, was released in the year 2013. The duration of the song is 3:57. Download Rajasthani songs online from JioSaavn.