Listen to Koyal Bole Morla Bole online. Koyal Bole Morla Bole is a Gujarati language song and is sung by Hari Bharwad and Appu. Koyal Bole Morla Bole, from the album Dashama Nu Gulal, was released in the year 2016. The duration of the song is 3:08. Download Gujarati songs online from JioSaavn.