Listen to System Change Keru Mari Koyal online. System Change Keru Mari Koyal is a Rajasthani language song and is sung by Bholaram Gurjar Nimli. System Change Keru Mari Koyal, from the album System Change Keru Mari Koyal, was released in the year 2023. The duration of the song is 12:54. Download Rajasthani songs online from JioSaavn.