Just FYI, ixi music, a great youtube music analyst, has a series analyzing every song on OK Computer. This is the most recent, about SHA. It is pretty extensive. : r/radiohead
Sigur Rós - Fjögur píanó (Tutorial) - YouTube
Sigur Rós - Fjögur píanó - YouTube
A Post-Rock Classic Twenty Years On: Looking Back at Sigur Rós' ( ) —