Aaron Cassidy is an American composer, conductor, teacher, record producer, and author. After 15 years of living and working in England, in 2022 he relocated to Germany, which had increasingly become the base for much of his conducting activity. He lives in Berlin and works as Professor of Composition at the Hochschule für Musik, Theater und Medien Hannover.

As a composer, he is best known for his influential work with multicolored, graphical, tablature notations that prioritise the physical, bodily, and mechanical aspects of sound-production in music, alongside his more recent work exploring the notation of ‘non-geometrical’ rhythm, which untethers speed, duration, and meter from traditional concepts of pulse. Recordings of his work are available on 12 commercial CD releases from NEOS, Kairos, NMC, HCR, and New Focus Records, and his compositions have been presented in hundreds of performances across 27 countries at festivals including Donaueschingen, Ultraschall, Warsaw Autumn, Huddersfield, Darmstadt, Gaudeamus, Dark Music Days, Bludenz, Mixtur, and Tage für Neue Musik Zürich.

Aaron’s work as a conductor is stylistically diverse, encompassing both contemporary and historical repertoire across chamber, orchestral, operatic, and choral settings. He has led many dozens of world premieres, including work by Richard Barrett, Mary Bellamy, Ann Cleare, Turgut Erçetin, Jürg Frey, Sergej Newski, and Erik Oña, as well as his own compositions. Through the pandemic period he built a strong reputation for his ability to learn challenging repertoire quickly as a last-minute jump-in for numerous high-profile performances. Notable recent appearances as a conductor include performances with Musikfabrik in the Großer Saal of the Berlin Philharmonie for Musikfest Berlin (Berliner Festspiele) and at the WDR Funkhaus in Cologne for the Musikfabrik im WDR series, a performance with ensemble mosaik with works by Laura Bowler, Sara Glojnarić, and Sergej Newski at MaerzMusik, the Australian premiere of Liza Lim’s Extinction Events and Dawn Chorus with ELISION at the Melbourne Recital Centre, and a monthlong engagement as conductor and Musical Director for the premiere of Ann Cleare’s opera The Little Lives at the Munich Biennale.

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UPCOMING: 

  • Erasmus Residency, Conservatorio Superior de Música de Málaga, Spain, 18–22 March 2024
  • Guest lecture, Hochschule für Musik und Theater “Felix Mendelssohn Bartholdy” Leipzig, 26 March 2024
  • Conductor, ELISION. Recording Das Phonem zwischen zwei Wörtern (c) by Turgut Erçetin for Wergo, Deutschlandfunk-Funkhaus, Köln, 8 April 2024 
  • The Crutch of Memory and l.d._ p.c. (t.c.h.).  Das Neue Ensemble (Jessica Kuhn, cello; Christof Hahn, piano). Hannover, 14 April 2024
  • HMTMH ‘Antrittskonzert’: 27. Juni 2009, The wreck of former boundaries (solo alto saxophone), The wreck of former boundaries (solo contrabass), and Because they mark the zone where the force is in the process of striking. ELISION, Klangbrücken Festival, Kammermusiksaal Plathnerstraße, 28 April 2024
  • Conductor, ELISION. Self-Portrait, Three Times, Standing (15.3.1991–20.3.1991) and world premieres of works by Turgut Erçetin, Mary Bellamy, Tom Bañados, Thanos Sakellaridis, and Farhad Ilaghi Hosseini. Klangbrücken Festival, Richard Jakoby Saal, Hannover, 30 April 2024
  • Conductor, Australian National Academy of Music (ANAM) workshop with ELISION. Liza Lim Extinction Events and Dawn Chorus. Melbourne, 24–30 June 2024
  • Conductor, ELISION. Harry Ward, violin solo. Works by Richard Barrett (wp), Mary Bellamy (wp), and Liza Lim, plus Self-Portrait, Three Times, Standing (15.3.1991–20.3.1991). Melbourne, 5 July 2024

RECENT HIGHLIGHTS: 

  • 27. Juni 2009 (2021) world premiere. Carl Rosman, E-flat clarinet. Musikfabrik Montagskonzert, Köln, 2 October 2023
  • Conductor, ELISION, Alex Waite, piano solo, Harry Ward, violin solo. Melbourne Recital Centre New Music Days. Works by Aaron Cassidy (Piano Concerto, world premiere) & Liza Lim (Extinction Events & Dawn Chorus, Australian premiere), 20 April 2023
  • CD Release: Mary Bellamy, Behind the transparent surface. Ensemble Musikfabrik. Aaron Cassidy, conductor. HCR28, April 2023
  • Conductor, ensemble mosaik. Works by Laura Bowler, Sara Glojnaric, Sergej Newski (wp). MaerzMusik, Haus der Berliner Festspiele, Große Bühne, 21 March 2023