What makes Alpha Centauri by Tangerine Dream notable?

'Alpha Centauri' is significant for being one of the early examples of purely electronic music, influencing the ambient and new age genres. It received critical acclaim for its innovative use of synthesizers and extended pieces, paving the way for future electronic acts. When 'Alpha Centauri' was released in March 1971, Tangerine Dream was transitioning from their debut album to a more experimental sound. This album marked their first foray into the long-form compositions that would define their career, following the raw energy of 'Electronic Meditation' released in 1970.