Listen to Ar Koto Kal Vasbo Ami online. Ar Koto Kal Vasbo Ami is a Bengali language song and is sung by Agun. Ar Koto Kal Vasbo Ami, from the album Momtaz (Original Motion Picture Soundtrack), was released in the year 2021. The duration of the song is 3:59. Download Bengali songs online from JioSaavn.