Listen to Koyal Bol Savan M online. Koyal Bol Savan M is a Rajasthani language song and is sung by Harisingh Mahu. Koyal Bol Savan M, from the album Koyal Bol Savan M, was released in the year 2023. The duration of the song is 11:28. Download Rajasthani songs online from JioSaavn.