Holger Czukay (Holger Schüring, 24 March 1938 – 5 September 2017) was a German musician. He co-founded the influential rock group Can in 1968. He was a singer and played bass guitar, guitar, keyboards, percussion, drums, and French horn. He was born in the Free City of Danzig (now Gdansk). Czukay studied under Karlheinz Stockhausen from 1963 to 1966. Czukay recorded some notable early ambient albums, and is important for his utilization of shortwave radio sounds and sampling, and has collaborated with a considerable number of musicians.