Founded in 2006, this festival is back with a ser­ies of city-wide activities—concerts, installations, screenings, site-specific musical events, happenings, symposia—designed to draw attention to contemporary music.

A Portrait of Robin Minard. New Music Concerts hosts an installation and retrospective of 10 years of sound objects, with works by Canadian composer and sound artist Minard. May 29 to June 15. Gallery 345, 345 Sorauren Ave., 416-961-9594.

Concrete Toronto. Inspired by the recently published Concrete Toronto: A Guide to Concrete Architecture From the Fifties to the Seventies, the Music Gallery commissioned a concert that features new works by Toronto composers that reflect their musical response to the city’s concrete legacy. June 1. $20. Ontario Science Centre, 770 Don Mills Rd., 416-204-1080.

New Adventures in Sound Art. Those keen on exploring the extremes of sound art will want to take in the seventh annual Deep Wireless Festival of Radio & Transmission Art. The month-long event includes performances, sound installations, newly commissioned works, special radio broadcasts, a CD launch and a conference. May 1 to June 8. Up to $15. Various venues, 416-516-7413, www.deepwireless.ca.

Pleur/Rire: The World of Aperghis. Led by Gregory Oh, the Toca Loca ensemble presents a multidisciplinary concert built around Georges Aperghis, known for his work in the field of experimental music theatre. The repertoire includes Les sept crimes d’amour, Le corps à corps, Graffittis, Récitations, Monomanies, Requiem furtif and Cinq couplets. May 30. $25. The Music Gallery, St. George the Martyr Anglican Church, 197 John St., 416-925-3457.

Scelsi: Sound in Three Dimensions is devoted to works by Giacinto Scelsi (1905–1988), the eccentric Italian composer best known for exploring microtonal techniques and creating music based on one pitch. The repertoire includes I Presagi, Yamaon and Okanagon, as well as the vocal works Lilitù, Hô, Litanie and Ogloudoglou. Performers include soprano Carla Huhtanen, saxophonist Wallace Halladay, and members of the Toronto Wind Orchestra, directed by Tony Gomes. May 29. $25. Walter Hall, Edward Johnson Bldg., 80 Queen’s Park, 416-925-3457.—Rick MacMillan