Listen to Aaj Hass Hass Launi online. Aaj Hass Hass Launi is a Punjabi language song and is sung by Happy Lapran. Aaj Hass Hass Launi, from the album Koi Hai, was released in the year 2010. The duration of the song is 5:27. Download Punjabi songs online from JioSaavn.