Listen to Gappu Le Aappu online. Gappu Le Aappu is a Tamil language song and is sung by Timothy Madhukar and Santosh Hariharan. Gappu Le Aappu, from the album Vellaiya Irukiravan Poi Solla Maatan, was released in the year 2015. The duration of the song is 4:12. Download Tamil songs online from JioSaavn.