Mason Jeffery-Off Trio

About

Mason Jeffery-Off is a Canadian bassist and composer based in Montréal. Originally from Ottawa, Ontario, Jeffery-Off is a graduate of McGill’s Jazz Performance program. There, he studied with Ira Coleman and John Hollenbeck. Jeffery-Off can be seen in Montréal and around Canada performing with the likes of Jean-Michel Pilc, David Binney, Kevin Dean, Sextete Façade and Darrell Green. In 2023, at age 19, Jeffery-Off was one of 16 international jazz musicians under the age of 25 to be selected for Betty Carter’s Jazz Ahead, a performer-composer residency located at the John F. Kennedy Center for the Arts in Washington DC. In 2024, he received the Hnatyshyn Developing Artist Grant (Oscar Peterson Grant for Jazz Performance). He was also invited to participate in the prestigious Banff Jazz and Sonic Arts residency in August of 2026. Jeffery-Off’s debut EP, ‘Everything Shifts’, was released on bandcamp in September of 2026. This concert will feature Jeffery-Off’s original compositions, arranged for a trio consisting of Sam Fortin on piano, and Ben Shaw on drums, both from Montréal. His mus