Die Flippers (The Flippers) were a German Schlager group formed in 1964. They were 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 11 Goldene Stimmgabel awards (one of the biggest German music awards) in 1988, 1991, 1994, 1995, 1996, 1998, 1999, 2000, 2002, 2003 and 2004.

Source: Wikipedia (https://en.wikipedia.org/wiki/Die_Flippers)