Listen to O Mor Kala re Kala online. O Mor Kala re Kala is a Bengali language song and is sung by Ataur Rahman Chand. O Mor Kala re Kala, from the album Amono Jontronar Majhe, was released in the year 2024. The duration of the song is 8:16. Download Bengali songs online from JioSaavn.