A MXR Phase 90 and Phase 100 advert with Steve Hackett explaining how and where he uses them! published in Melody Maker 15th May 1976.
(many thanks to M.Kenyon for this item)
■ 1976 / A Trick of the Tail, Voyage of the Acolyte / Last Updated December 29, 2013 by The-Archiver /
