Listen to Olo Bar Elo online. Olo Bar Elo is a Bengali language song and is sung by Swapna Chakraborty. Olo Bar Elo, from the album Best Of Purnadas Baul Gosthogopal Das And Swapan Ch, was released in the year 1998. The duration of the song is 2:44. Download Bengali songs online from JioSaavn.