This definitive issue of Voivod's fourth album is a must-have item for any fan of this unique and ground-breaking Progressive Metal band. The 2CD/DVD Set vividly captures the period surrounding this album, a work where the band's sound and concept come together in perfect union, and where the transition from thrash metal into something altogether more unique, was finally made. Along with a previously unreleased complete show - the 'Spectrum '88 concert - 'A Flawless Structure? (Recorded Live in Montreal, December 21st 1988)' - the set also includes concerts performed by the band in the US