A fable created by
Billy Corgan, front man of The Smashing Pumpkins. The story of Glass and the Machines of God is propagated by the band's album,
Machina. The Machina lyric
booklet contains one chapter of the fable, the rest of the chapters, except for chapter four, were posted online throughout the Mystery. Chapter four, The Story of June has never been posted.
The Mystery was based on Glass and the Machines of God.