Swallow Hill Music Association, which bills itself as Denver’s home for folk, roots and acoustic music, hosts RootsFest Denver in Colorado’s “Mile High City” on Saturday, March 28. Acoustic guitar virtuoso Leo Kottke, multiple Grammy Award-winning singer-songwriter Shawn Colvin and bluegrass band Hot Rize headline the festival at the Denver Center for the Performing Arts’ Ellie Caulkins Opera House. Tickets are $55, $75 and $125. [To read the entire article, click on the headline.]