SATURDAY: Maryland Traditions Folklife Festival 2015 features music from Karpouzi Trio, Pablo Antonio y La Firma, Sherman Holmes Projects, and more at the Patterson Theater and on nearby outdoor stages. After more than a decade apart, Baltimore screamo band Margret Heater reunites at the Ottobar with Vesseland Bound State. Saving Apollo, Whisky Train, Sweet Leda, and more perform at Honfest 2015 in Hampden. The local hip-hop community observes Solomon Appreciation Day, to celebrate Solomon, owner of the long-running venue the Hott Spott Lounge (formerly The 5 Seasons), at his club. ELM, DETLAnine, and more play the 8x10 for a Baltimore pre-party for West Virginia's Camp Barefoot Music & Arts Festival. The Legwarmers take hits from the '80s and make 'em sound so crazy at Rams Head Live. Buffalo singer-songwriter Casey Bolles plays the Sidebar with Head North, No Good News, and more. Maryland instrumental band Time Columns play the Metro Gallery with Rare Candy. Local speed/thrash-metal band Season Of Fear plays Fishhead Cantina. Lower Dens don't currently have a hometown show in Baltimore scheduled on their summer tour, but you can drive down to Washington, D.C. to catch them at the Rock & Roll Hotel. Don't miss:Incomparable pop parodist "Weird Al" Yankovic dares to be stupid at Pier Six Pavilion.