Deirdre Kellerman – Artistic Director

Deirdre Kellerman

Deirdre Kellerman (she/her) is a choral conductor and music educator based on unceded Algonquin territory (Ottawa, ON). She is the Artistic Director of Hypatia’s Voice, an auditioned, upper voice ensemble; and Artistic Director of Tone Cluster – quite a queer choir. Previous conducting positions include Assistant Director of the Ottawa Choral Society and Director of Music at First Unitarian Congregation of Ottawa, where she conducted their three choral ensembles. 

Since settling in Ottawa in 2015, Deirdre has become a regular fixture in the area’s choral community. As a workshop facilitator and guest conductor, she has worked with the Cantata Singers of Ottawa, Ottawa Gay Men’s Chorus, Canadian Centennial Choir, Aella, and CAMMAC. 

Deirdre has studied across North America, including a residency at the Banff Centre’s Choral Art program, studying with Lone Larsen and Michael Zaugg. She was nominated for the 2018 Leslie Bell Prize for Choral Conducting. An avid chorister, Deirdre has sung with a wide variety of ensembles, including Xara Choral Theatre, and the National Youth Choir of Canada. 

In high demand as a vocal coach, Deirdre is passionate about music education and life-long learning, and maintains a busy teaching studio.

Deirdre holds a M.Mus in Conducting from the New England Conservatory and B.Mus in Vocal Performance from Acadia University.

Timothy Piper – Accompanist

Timothy Piper

Timothy Piper is delighted to be the accompanist for Tone Cluster. As well as a love for accompanying choirs, he also enjoys directing. He is currently the music director for the Ottawa Gay Men’s Chorus as well as the founding director of Chorale Lyrica (a series of youth choirs in Hull, Quebec). He is Musical Director at St. Bartholomew’s Anglican Church in Ottawa, and he directs a choir at Pierre Elliot Trudeau Elementary School. Tim is Musical Director for the Western Quebec School Board’s Music-Makers event which brings together over 800 kids from across the region every spring. He is Music Director for the annual European Union Christmas Concert which takes place at Notre-Dame Basilica in Ottawa. Tim was also the Founding Director of the Christ Church Cathedral Girls’ Choir of Ottawa and worked with them from 2001 to 2012.