Every Friday evening during the summer, the city of Marble Falls Parks and Recreation Department hosts the free Marble Falls Summer Concert Series at the Johnson Park amphitheater. Performances start at 7 p.m. This Friday, June 17, country artist Rick Trevino performs. Damon Beierle of Double Eagle Entertainment joined KBEY 103.9 FM Radio Picayune's Mac McClennahan to share details about the show.