What makes Sunyata by Robert Rich notable?

'Sunyata' is notable for its pioneering role in the development of ambient music during the early 1980s. The album has been celebrated for its innovative use of sound design and has influenced countless artists within the genre, helping to shape the direction of ambient music that followed. When Robert Rich released 'Sunyata' in 1982, he was establishing himself in the ambient music scene following his debut album, 'Numina', which came out in 1980. This record marked a significant evolution in his sound, showcasing longer compositions and deeper explorations of sonic landscapes that would define his career.