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The Rainmaker Blues Trio will perform from 8-9:30 p.m. Friday in the Gun Room at the Lafayette Hotel, 101 Front St., Marietta, in a show presented by the Blues, Jazz and Folk Music Society. Doors open at 7:30 p.m. Tickets are $15 at the door and can be purchased online by going to bjfm.org and clicking on Cobbler’s Coffee House for the Eventbrite link. Food will be served in the Hotel Lafayette Riverfront Bar & Grill until 8 p.m. Beer, wine, coffee, pop and water will be available in the Gun Room during the show. Simple appetizers are available in the Gun Room from 7:30 to 8 p.m.