Listen to Ar Koto Kal Thakbo online. Ar Koto Kal Thakbo is a Bengali language song and is sung by Sharif Uddin. Ar Koto Kal Thakbo, from the album Kellar Bari Khorompur, was released in the year 2021. The duration of the song is 6:06. Download Bengali songs online from JioSaavn.