Special two disc (CD + DVD Audio) pressing of Steven Wilson and Porcupine Tree's Lightbulb Sun album features a bonus DVD-Audio disc that contains a 5.1 Surround Sound mix of the album, the original stereo mix plus other fine bonus features. The CD features a new stereo mix of the album, which was originally released in 2000. Lightbulb Sun was Porcupine Tree's first foray into more commercial terrain and may have initially taken fans by surprise but has become a beloved entry in their impressive catalog.