Listen to Aathisayam Aanavar - 1 online. Aathisayam Aanavar - 1 is a Tamil language song and is sung by J.K. Nathan. Aathisayam Aanavar - 1, from the album Unnatha Devan, Vol. 2, was released in the year 2015. The duration of the song is 4:48. Download Tamil songs online from JioSaavn.