Listen to Amar Sakal Raser Dhara - Instrumental online. Amar Sakal Raser Dhara - Instrumental is a Bengali language song and is sung by Santanu Basu and Rabindranath Tagore. Amar Sakal Raser Dhara - Instrumental, from the album Musical Waves, was released in the year 2008. The duration of the song is 3:20. Download Bengali songs online from JioSaavn.