Listen to When You Leave (Numa Numa) (Basshunter Extended) online. When You Leave (Numa Numa) (Basshunter Extended) is an English language song and is sung by Alina. When You Leave (Numa Numa) (Basshunter Extended), from the album Just Dance (Australian Package), was released in the year 2010. The duration of the song is 4:42. Download English songs online from JioSaavn.