Subscriber content previewImage from pioneersquare.org [enlarge] The monthly Pioneer Square First Thursday Art Walk returns Aug. 6 with gallery exhibitions, live music and artist events throughout the historic district. SEATTLE — Pioneer Square will host the next installment of its monthly First Thursday Art Walk on Aug. 6, inviting visitors to explore dozens of galleries, artist studios and businesses during one of the nation's longest-running recurring art walks. Most participating venues will be open from 5 to 8 p.m..