Artists who have premiered his music include the Penderecki String Quartet, the University of Western Ontario Percussion Ensemble, Jessica Catron & Johnny Chang, Nora-Louise Müller, Bass Impact, Digital Prowess, tranSpectra and the Canadian Chamber Ensemble.
He has participated in workshops with Arraymusic, Alain Trudel, Joseph Macerollo, Beverley Johnston, the Composers’ Orchestra, Festival of the Sound, Domaine Forget and the Nouvel Ensemble Moderne.
Stylistic traits include monochromaticism, polymodality, sound poetry, microtonality and aleatoric counterpoint.
He is also a percussionist and actor. While serving as principal timpanist of the Thunder Bay Symphony Orchestra he played drums with the Danny Johnson Jazz Trio and taught percussion at Lakehead University. He has premiered works for New Music in New Places, accompanied classes for many years with Dancetheatre David Earle and he has performed regularly with the Open Ears Festival of Music and Sound.
Acting engagements have been at The Grand Theatre, Theatre & Company, Theatre Athena and the Montreal Fringe Festival. Directors with whom he has worked include Alison Grant, Daryl Cloran, Gil Garratt, Burton Lancaster and Robert McQueen.
For CBC Radio Harrop created an experimental documentary about the soundscape of contemporary farming. He has also volunteered as sound designer for numerous amateur theatre productions and collaborated with modern dance choreographers Denise Lieutaghi, Annette Urbschat, Karen Rose and Yvonne Ng.
Harrop and Urbschat were commissioned to create an interdisciplinary work featuring a rusted-out 1963 Plymouth Valiant Slant-6 for the outdoor, site-specific promenade opera Harbingers of Spring, as part of the 2009 Open Ears Festival.
He is also a member of tranSpectra, a pioneering, acoustic ensemble dedicated to commissioning and performing Canadian music in Bohlen-Pierce tuning. (The B.P. scale has 13 equal divisions of the perfect twelfth.) His début work, Calypso, was performed at the Open Ears Festival, the University of Guelph and the first International Bohlen-Pierce Symposium. During this conference, hosted by the Boston Microtonal Society in 2010, he also presented a paper on sensory dissonance of B.P. clarinets at the local Goethe Institut.
With Nora-Louise Müller on clarinet he performs in the duo Roxy Autoconfig, and has appeared in festivals in Hamburg and the musique concrète scene in Montreal.
In the summer of 2012 he composed a new work for Ms. Müller in Bohlen–Pierce and Carlos alpha tunings while in residence in the Leighton Artists’ Colony at The Banff Centre, Alberta Canada.
Playwrights Canada Press