In 1970, Popol Vuh became the first krautrock group to use an electronic synthesizer, to create what would be known as "kosmische musik". By 1971, the bands Tangerine Dream and Faust began to use electronic synthesizers and advanced production.
In 1972, two albums incorporated European rock and electronic psychedelia with Asian sounds: Popol Vuh's In den Gärten Pharaos and Deuter's Aum. Meanwhile, kosmische musik saw the release of two double albums, Klaus Schulze's Cyborg and Tangerine Dream's Zeit (produced by Dieter Dierks), while a band called Neu! began to play highly rhythmic music. By the middle of the decade, one of the best-known German bands, Kraftwerk, had released albums like Autobahn and Radioaktivität ("Radio-Activity" in English), which laid the foundation for the British 1980s synthpop/new wave music, electro, techno and other styles later in the century.
