Listen to Thumbprint: IV. The River online. Thumbprint: IV. The River is an English language song and is sung by Kamala Sankaram, Manu Narayan and Phyllis Pancella. Thumbprint: IV. The River, from the album Sankaram: Thumbprint, was released in the year 2019. The duration of the song is 2:34. Download English songs online from JioSaavn.