David Krosschell is an accomplished bass trombonist, tenor trombonist, and music educator based in the Seattle area. Well versed in classical, jazz, and commercial styles, he has performed with the Seattle Symphony, Seattle Opera, Symphony Tacoma, Yakima Symphony, Seattle Wind Symphony, North Carolina Symphony, the North Carolina Opera Company, Fayetteville Symphony, Opera Carolina, Fort Worth Symphony & Opera, Illinois Symphony, Peoria...