Listen to Over the Rainbow - What a Wonderful World (Karaoke Version) online. Over the Rainbow - What a Wonderful World (Karaoke Version) is an English language song and is sung by Amazing Karaoke. Over the Rainbow - What a Wonderful World (Karaoke Version), from the album Best of 1990, Vol. 3 (Karaoke Version), was released in the year 2011. The duration of the song is 5:13. Download English songs online from JioSaavn.