Porcupine Tree is a British progressive rock band formed in Hemel Hempstead, Hertfordshire, United Kingdom in 1987. Duri...

Porcupine Tree is a British progressive rock band formed in Hemel Hempstead, Hertfordshire, United Kingdom in 1987. During the course of the band's history, it has at times incorporated psychedelic rock, alternative, ambient, electronic, and, most recently, metal and post-rock into its unique style of progressive rock....