Listen to Un Per Solla (Duet Version) online. Un Per Solla (Duet Version) is a Tamil language song and is sung by Sujatha Mohan and Hariharan. Un Per Solla (Duet Version), from the album Minsara Kanna, was released in the year 2016. The duration of the song is 5:09. Download Tamil songs online from JioSaavn.