Porcupine Tree began in 1987 as a solo project for Steven Wilson but became a four-piece band when Steven was later joined by Richard Barbieri, Colin Edwin, and Chris Maitland (who was later replaced by Gavin Harrison). Their first live gig was in a pub in High Wycombe, England, in 1993, but by 2010 the band had toured Europe and America extensively, ending up by playing to thousands of fans at a sold-out Royal Albert Hall in London. The band was...