Listen to Kanna Un Radhai online. Kanna Un Radhai is a Tamil language song and is sung by Shankar-Ganesh and Vani Jairam. Kanna Un Radhai, from the album Velithandiya Vellaadu - Chinna Chinna Veedu Katti - Naagam - Karumayil Orr Azhahu, was released in the year 1980. The duration of the song is 5:01. Download Tamil songs online from JioSaavn.