Listen to O Amar Dayal Re online. O Amar Dayal Re is a Bengali language song and is sung by Gosthogopal Das. O Amar Dayal Re, from the album Best Of Purnadas Baul Gosthogopal Das And Swapan Ch, was released in the year 1998. The duration of the song is 3:38. Download Bengali songs online from JioSaavn.