What makes Yeti by Amon Düül II notable?

'Yeti' is often hailed as a landmark in the Krautrock genre, praised for its experimental structure and deep improvisational elements. It solidified Amon Düül II's reputation and influence on subsequent artists within the progressive rock movement, reflecting the cultural zeitgeist of late 1960s Germany. Released in January 1970, 'Yeti' was Amon Düül II's sophomore album, following their debut 'Phallus Dei'. At this point in their career, the band had established themselves as a vital part of the burgeoning Krautrock scene, pushing the boundaries of rock music with their avant-garde approach.