What makes Hosianna Mantra by Popol Vuh notable?

'Hosianna Mantra' is notable for its blending of sacred music influences with electronic elements, helping to lay groundwork for ambient music. The album received positive critical reception from various publications and has continued to influence artists across genres, particularly in the realms of electronic and new age music. When 'Hosianna Mantra' was released in January 1972, Popol Vuh was transitioning from their earlier psychedelic roots into a more spiritual and experimental sound. This album marked their third release and further established their unique identity within the Krautrock movement, following the success of 'Affenstunde' in 1970 and 'In den Gärten Pharaos' in 1971.