Listen to Happy Christmas (War Is Over) [Karaoke Version] [Originally Performed by John Lennon] online. Happy Christmas (War Is Over) [Karaoke Version] [Originally Performed by John Lennon] is an English language song and is sung by Future Holiday Hitmakers. Happy Christmas (War Is Over) [Karaoke Version] [Originally Performed by John Lennon], from the album All I Want for Christmas Is You: Karaoke Christmas Party Playlist 2013, Santa Claus Is Coming to Town, Mistletoe, Santa Baby & More!, was released in the year 2013. The duration of the song is 3:26. Download English songs online from JioSaavn.