Glass's early works were marked by experimentation and innovation. His first album, , showcased his interest in non-Western musical traditions. The album "Music in Changing Parts" (1969) , featuring the Philip Glass Ensemble, introduced his signature minimalist style.

If you download this torrent today (and for educational/archival purposes, many still do), you will notice a strange phenomenon: All 43 albums sound like they are made of the same water, flowing through different canyons.