Chapter 1:Delirium is an album by Colosseum, released in 2017. The album is a rock 2-LP.

• A1 The Gate Of Adar
• A2 Corridors Of Desolation
• B Weathered
• C1 Saturnine Vastness
• C2 Aesthetics Of The Grotesque
• D1 Delirium
• D2 Saturnine Vastness (Demo, 2006)