MP3 compression (lossy format) works by shaving off audio data that the human ear theoretically ignores. However, with Stevens' music, the "detail" is often in the subtle nuance: the breath before a vocal line, the squeak of fingers sliding on guitar strings, or the resonant decay of a piano chord.
By the late 1970s, his music shifted towards spiritual inquiry before his long hiatus from Western pop. Notable later works and recent returns include: Yusuf (formerly Cat Stevens) - Songwriters Hall of Fame Cat Stevens - Discography -FLAC-