A U.K. band widely credited with bringing progressive rock back into vogue during the 1990s, Porcupine Tree embraced and explored those inspirations filtered through the lenses of sounds ranging from post-punk and metal to indie rock and electronic music. Led by guitarist/vocalist/composer and producer Steven Wilson, he initially used the name as a pseudonym for his solo projects (except for No-Man with Tim Bowness). Porcupine Tree's first few offerings reflected that M.O. They became a band when bassist Colin Edwin, drummer Chris Maitland, and keyboardist Richard Barbieri gel...