Die Flippers

Die Flippers (The Flippers) are a German Schlager group formed in 1964. They are one of the most successful Schlager groups of all time, and have been constantly recording and releasing new music since their self-titled debut album was released in 1970. They have released 45 albums, 5 of which have gone platinum, 24 gold. They have won a Goldene Stimmgabel (one of the largest German music awards) in 1988, 1991, 1994, 1995, 1996, 1998, 1999, 2000, 2002, 2003 and 2004.

source: Wikipedia