A 50th anniversary box set celebrating the 1976 masterpiece created at a turning point in Zappa's career and standing out even within his catalog! This deluxe edition features a total of 73 tracks, including a previously unreleased early version of the album and a complete previously unreleased live performance from the same period. The set consists of five CDs plus a Blu-ray (audio only), a 44-page English booklet, and a Japanese booklet. The English booklet includes an essay by Joe Travers, keeper of the Zappa family's tape vault, along with notes on the contents of each disc, liner notes by music journalist Jason Pettigrew, an essay by Michael Braunstein, engineer of the original album, and numerous rare photos. [Japan Edition Only] Includes a complete Japanese translation of the English liner notes, lyrics and Japanese translations, and SHM-CD format.