Listen to Happy Xmas (War Is Over) online. Happy Xmas (War Is Over) is an English language song and is sung by Andrea Nardinocchi. Happy Xmas (War Is Over), from the album Les plus belles chansons de Noël (Une ambiance festive dans un parfait style lounge), was released in the year 2014. The duration of the song is 3:49. Download English songs online from JioSaavn.