Listen to O Mast Bhadvo Aayo online. O Mast Bhadvo Aayo is a Rajasthani language song and is sung by Arun. O Mast Bhadvo Aayo, from the album Parcho Babe Ro, was released in the year 2011. The duration of the song is 5:03. Download Rajasthani songs online from JioSaavn.