On the cover: Áine O’Dwyer. Through her sounding of sacred spaces and collaborative projects, the Irish musician moves between the folk traditions and performance art that form her musical heritage. By Robert Barry. Plus Tim Rutherford-Johnson on Experimental music from Canada: A new wave of inventive Canadian composers draws on sources from the medieval and microtonal to post-rock and improv, and Marcus Boon presents a user’s guide to Moroccan trance in The Primer. Also in the issue: Sukhdev Sandhu remembers the blogging years of the late Wire contributor Mark Fisher 1968–2017, Mary Ocher, Society of Strange and Ancient Instruments, ADULT., Invisible Jukebox with Alexander Hawkins, Global Ear: Seoul and Chuncheon, Wolf Eyes Epiphany, the usual mass of albums, books and gigs reviewed, and much more.