What makes Propagation by Robert Rich notable?

'Propagation' has been influential in the ambient music scene, showcasing Rich's ability to create atmospheric soundscapes that transport listeners. The album received critical acclaim and contributed to Rich's reputation as a leading figure in the genre, influencing subsequent artists seeking to explore similar ethereal landscapes. Released in 1994, 'Propagation' is Robert Rich's sixth album, following his acclaimed work 'Calling Down the Sky' from 1992. At this point in his career, Rich was establishing himself as a pioneer in the ambient music genre, known for his immersive sound environments and innovative use of technology in music production.