Listen to Appu Hey Appu online. Appu Hey Appu is a Kannada language song and is sung by Kaviraj, Chaithra.H.G and Chethan. Appu Hey Appu, from the album Dev S/O Mudde Gowda, was released in the year 2012. The duration of the song is 3:45. Download Kannada songs online from JioSaavn.