THURSDAY, APRIL 18 4Tell. 6 p.m. Bricks on Main, 471 Main St., Longmont. Free Variety Show: And Now… Featuring. 6 p.m. Trident Booksellers & Cafe, 940 Pearl St., Boulder. Free Tony Crank. 6 p.m. Bootstrap Brewing Company, 142 Pratt St., Longmont. Free Yellowman with Mono Verde Collective. 8 p.m. Fox Theatre, 1135 13th St., Boulder. … Continue reading Concerts: April 18-25