It’s that time of year again. The EMP Museum’s Sound Off! Battle of the Bands, which showcases 21-and-under groups, kicks off its annual battle on Saturday (Feb. 13) with Woodinville’s Copalis, Seattle’s COSMOS, Vancouver, B.C.’s, Jazzy Tee and Lake Forest Park’s Party Shark duking it out in the semifinals. The winning band gets to perform…
