Listen to O Gaan Aar Gaashney online. O Gaan Aar Gaashney is a Bengali language song and is sung by Ashoketaru Banerjee. O Gaan Aar Gaashney, from the album Nayan Meley Dekhi, was released in the year 1982. The duration of the song is 2:58. Download Bengali songs online from JioSaavn.