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is a Seattle-based professional vocal ensemble specializing in the performance of American choral music. The group primarily focuses on performing contemporary works by living composers, including local Pacific Northwest composers. Radiance also performs music from the shapenote and Shaker traditions to celebrate and connect the roots of American choral music to contemporary works.

Radiance has produced a number of videos, including Shaker Spirituals in Maine (2021) featuring composer Kevin Siegfried for the Library of Congress American Folklife Center, and virtual choir and the swallow by Caroline Shaw, which was featured on Canada's choral broadcast of Modern Choral Masterworks on CBC.


has dedicated his career to music. In addition to Radiance, Markdavin is Director and founder of Seattle-based chamber choir the Byrd Ensemble, an ensemble that performs Renaissance Polyphony, and Producer for Scribe Records, an independent record label. He is an active freelance singer who has performed with the Byrd Ensemble, Tudor Choir, Early Music Vancouver, and members of the Tallis Scholars. He is the Director of Choral Music at Trinity Parish Church in Seattle, WA and teaches choir at South Seattle College.

Logo of the WA State Arts Commission

This program is supported, in part, by a grant from the Washington State Arts Commission

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