Listen to Un Tholil Saindhu online. Un Tholil Saindhu is a Tamil language song and is sung by M.K. Balaji and Yathish Mahadev. Un Tholil Saindhu, from the album Sonnaa Puriyaadhu, was released in the year 2013. The duration of the song is 2:40. Download Tamil songs online from JioSaavn.