Listen to Kalamozhi Penne - Happy online. Kalamozhi Penne - Happy is a Malayalam language song and is sung by K.J. Yesudas and Jerry Amaldev. Kalamozhi Penne - Happy, from the album Kaattupothu, was released in the year 1981. The duration of the song is 2:38. Download Malayalam songs online from JioSaavn.