Portraits and Voices – Trios by Weber, Crumb, and Coleman – Seattle Symphony Flutist and ‘Cellist Demarre McGill and Joy Payton-Stevens join Pianist Cristina Valdes and clarinetist Sean Osborn.  George Crumb’s environmental paean “Voice of the Whale” and Valerie Coleman’s intimate “Portraits of Langston” are followed by Carl Maria von Weber’s romantic Trio in g minor, Op. 63.