Robert Wyatt, Music for Airports started the idea of slow, mediative music that abandoned typical major and minor scales, brought in melodic ambiguity, and began the exploration of sounds that were designed to exist somewhere in the background, beyond the scope of full attention. Open Culture, openculture.com
— Read on www.openculture.com/2019/02/a-six-hour-time-stretched-version-of-brian-eno-music-for-airports.html