Answer
Porcupine Tree is an English progressive rock band formed in 1987 in Teignmouth, Devon, by Steven Wilson, who is the only constant member throughout the band's history. The band's lineup has included Wilson's former schoolmates Colin Edwin and Richard Barbieri, along with drummer Gavin Harrison, who joined in 1994. The band's music is characterized by Wilson's use of complex arrangements, contrasting sounds, and studio effects.