Other artists set to play include Haken, King’s X, Pain Of Salvation, and more.
Whether they’re the mastermind of the band or keep the cosmic flights well-grounded, we pay tribute to the best prog guitarists of all time.
The event will return to London’s Underglobe, beneath Shakespeare’s Globe Theatre, on 12 September.
The prog-rock legend also says "absolutely not" to a reunion with his former Marillion bandmates.
Acclaimed Nashville roots-rockers The Cadillac Three have been confirmed for the 2018 Ramblin' Man Fair in Maidstone, Kent on 30 June and 1 July
Steve Earle & The Dukes and The cult are set to headline the acclaimed Ramblin' Man Fair 2018, taking place in Maidstone, Kent
Porcupine Tree leader Steven Wilson has shared the video for Nowhere Now from his solo album To The Bone and added a London date to his 2018 tour
Steve Hackett, Steve Hillage and King Crimson are among the winners honoured at the 2017 Progressive Music Awards at the Underglobe in London
Alice Cooper and Rick Wakeman will headline the UK's inaugural Stone Free Festival at The 02 in London on 18 and 19 June, 2016 respectively.