Wyoming Symphony Orchestra 225 S David St. Casper, WY 82601 US Website (307) 266-1478 Email Get Directions Details Wrapper Description Description Performing seven concerts at the John F. Welsh Auditorium at Natrona County High School from Oct. – April. The WSO also performs at a variety of outdoor venues during the summer months including The Beartrap Summer Festival. Related Content Take a road trip through Wyoming’s Bighorn Mountain Country. Space to Roam Safely on your Western Road Trip in Gillette, Wyoming Find Wyoming’s Hole-in-the-Wall & Discover a Western Outlaw Oasis Western Authenticity Transcends Time at Eatons’ Ranch