Der blaue Planet  Der blaue Planet (German for "The Blue Planet") is a 1982 hit by the East German band Karat. The album of the same title was the most successful album published in East Germany, being sold more than 1.1 million times in East Germany and about 500,000 times in West Germany. The song was on the album with the same name and 2003 the band released a new version of his song. In 1999 the synthpop band Melotron covered the song and released it on an EP.