What makes Coma Divine II by Porcupine Tree notable?

'Coma Divine II' is notable for its critical reception, helping to solidify Porcupine Tree's place within the progressive rock genre. Its release contributed to their growing fanbase, leading to successful tours and chart performance, which would culminate in their commercial peak in the early 2000s. Released in 1999, 'Coma Divine II' marked a significant point in Porcupine Tree's evolution as they transitioned from a cult favorite to a more mainstream audience. This album followed their earlier work, particularly 'Signify,' showcasing an increasing confidence in their sound and composition techniques. It also set the stage for their later breakthrough with 'Stupid Dream.'