The Musicians

Keith Hamm, Violist - Following his studies at The Glenn Gould School of music and Mount Royal Conservatory, Hamm, an Alberta native, was named Principal Violist of the Canadian Opera Company Orchestra. Last fall he took on the same position with the Edmonton Symphony Orchestra. He has performed at the Toronto Summer Music Festival, Ottawa Chamberfest, and Stratford Summer Music. In recent years, he has performed across Canada as part of the Rosebud String Quartet. Hamm has been featured on CBC Radio, Classical 96.3, and named one of Canada’s Hottest 30 Classical Musicians Under 30 by CBC. Hamm was co-founder and producer of Stereo Live as well as the founder and Artistic Director of The Rosebud Chamber Music Festival.


Julie Hereish, Cellist - Hereish studied the cello in her native city Montreal, and then in Vienna, Austria. She’s currently the assistant principal cello of the Edmonton Symphony Orchestra. She held the same position with the Quebec Symphony Orchestra from 2015 to 2019. She co-founded the piano quartet Quatuor Philanthros and the cello octet Élément 8. She has played in various chamber music festivals including Music By The Sea, Rosebud ChamberMusic Festival, Rockport Music Festival. Her chamber music activities have brought her on tour across Canada. She’s also joined the Canadian Opera Company as a guest continuo cellist. This year marks her third year performing at SweetWater.


Sheila Jaffé, Violinist - Jaffé was born in Montreal into a family of musicians and was fascinated by classical music from a young age. She completed her Bachelor's degree in violin performance at the Université de Montréal and continued her studies in Berlin, Germany with a Master's program at the Hanns Eisler Hochschüle für Musik.  She later co-founded the Alaya String Quartet and she also co-founded the Alondra String Quartet.  In 2013, co-founded the Rosebud String Quartet, with whom she currently performs regularly. In 2015, Jaffé joined the Canadian Opera Company as a violist and she has also recently been appointed as principal viola of the National Ballet of Canada Orchestra. Her first album with Welsh pianist Huw Watkins will be released in 2022.


Leana Rutt, Cellist - Originally from London, Ontario, Rutt is highly regarded across Canada as a chamber musician, soloist, and orchestral player. Based in Toronto, Leana is the principal cellist of the Canadian Opera Company and a member of the Rosebud String Quartet. She has performed at festivals and series including the Toronto Summer Music Festival, Ottawa Chamberfest, Music By the Sea, Echo Chamber Toronto, and the Rosebud Chamber Music Festival. Leana is a graduate of McGill University with Matt Haimovitz and the Juilliard School with Timothy Eddy. She was also a participant in the festivals of Lucerne, Aldeburgh, Sarasota, Banff, and Domaine Forget, as well as the Piatigorsky International Cello Festival.

Aaron Schwebel, Violinist - Schwebel currently holds the positions of Concertmaster with the National Ballet of Canada and Associate Concertmaster with the Canadian Opera Company. As a guest concertmaster, Aaron has performed with the National Arts Centre Orchestra, Les Violons Du Roy, Hamilton Philharmonic Orchestra, and Kitchener-Waterloo Symphony. An active chamber music performer, Aaron is a member of the LARK ensemble and Rosebud String Quartet. Aaron is also Founder and Artistic Director of Echo Chamber Toronto, a series that intertwines chamber music and contemporary dance. Aaron did his studies at McGill University and Indiana University. Upon graduation from McGill, Aaron was awarded the Schulich School of Music’s Golden Violin Award.