SATURDAY: The Sidebar hosts Grimscape ’14, with performances by PACT, Helgardh, Dispellment, and more. Phish headlines Merriweather Post Pavilion. The 99 ½ Blues Band holds a jam session at Midtown BBQ & Brew. Thievery Corporation headlines The Believe In Music Festival, at Oregon Ridge Park in Cockeysvile, along with Rodrigo y Gabriela, Jimmy Cliff, The Bridge, and more. 3PM holds a CD release party at Baltimore Soundstage with Clear For Takeoff and Early Recess. The Ottobar hosts the Charm City Summer Music Gala with Evan Nachimson and Don Trunk. Boston-based reggae artist The Mighty Mystic performs at Rams Head Live. Creative Alliance at the Patterson hosts the Charm City Ukulele Festival with Victoria Vox, The Sweater Set, Moe Nelson, and more. Don’t miss: The great Merge Records duo Wye Oak plays its first hometown show in nearly two years, in the Charles Street parking lot next to the Metro Gallery, with Matmos and WUME.