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 Fall in Love with Cheyenne Experience Cowboy Living at Lazy L&B Ranch Near Jackson Hole What’s Your Snowmobiling Personality? Have a True Grain-to-Glass Experience at these Wyoming Breweries, Distilleries & Wineries