Cactus Blossoms, Erik Koskinen, Molly Maher, Becky Kapell

In honor of the ballroom’s 90th(!) anniversary, the historic venue–an impressive honeycomb-patterend dome that boasts an unusually comfortable dance floor and was built without the use of electricity–is celebrating with an evening of the best in local americana, folk, roots and country. Beloved brother duo the Cactus Blossoms headline, joined by Erik Koskinen, Americana-Blues songwriter (and frequent Koskinen collaborator) Molly Maher, Saint Paul’s honky-tonker Becky Kapell, and guitarist Paul Bergen. Bring your gear and camp for free at the nearby site; food and bevvies will be available for purchase. FRI 6/30, 7 PM, $30, All Ages