Gamma Ray vented into multiple semi-experimental directions with discs like No World Order, yet that chirpy power metal vibe found on the band's earlier material is finally tapped again here after years of absence. Hansen and Henjo Richter portray cunning speed riffs and solos pumped with more speed, technicality, and charisma than the longtime duo has ever offered, even after years of doing so. Paralleling this rapid approach is Dan Zimmermann's blitzing percussion along with a keyboard attack that guards the instrumental background to avoid becoming a conquering figure; it stays at higher altitudes for effects, not dominance. The musical atmosphere is very upbeat, energetic, and chorus-orientated without floating into repetitive waves or redundant rocks, and such a distinct cry paves mighty formations only Gamma Ray could produce. They might have gone insane when using Iron Maiden riffs that boarder on plagiarism, but it'll be like chasing spirits if you begin hunting for other negatives.

Technically speaking, there is a faster montage present on each member's behalf, which leaves room for bolting speed throughout this record's duration. Hansen once again parades around another flawless vocal show of high-flying singing and wonderful pitch control that tastefully melts in with the rapid madness. Still, the whole CD just has bold qualities within and around every tune without any dead weight or failing additions. It all rules, but "Insurrection" comes away with top-honors as it really exposes that ballsy might of "Rebellion in Dreamland" by expelling multiple musical arrangements filled with thirteen minutes of puncturing riffs and Kai's beefy voice; it's bound to be a classic amongst Gamma Ray fans. Best conceptual sequel ever? Quite possibly, yes.