Festival -- Columbia Festival of the Arts, to be held today through June 24, will begin its free LakeFest performances and arts-and-crafts show at 5 p.m. today with the unveiling of the Making an Entrance exhibit. Artists have transformed wooden doors into art; the doors will be displayed during the festival (www.makinganentrance.org). An exhibition of small, tabletop doors, reflecting meaningful events in the lives of the local leaders and politicians who created them, will be on display at the Columbia Art Center Galleries (410-730-0075) through June 25. A reception for the show, Opening Doors: Making A Difference, is planned from 6 p.m. to 9 p.m. June 17. The third Kinetic Art Parade will kick off tomorrow's activities, which include the Howard County Rotary Clubs' cardboard Boat Float Regatta (www.HoCoBoatFloat.com). Howard County Department of Recreation and Parks' Sunset Serenades concert series begins Wednesday with a free concert by The Seldom Scene at 7 p.m. at Centennial Park. Also among the festival performers are the East Village Opera Company; Blood Sweat and Tears with guest artist Chuck Negron; Irvin Mayfield and the New Orleans Jazz Orchestra; Kun-Yang Lin/Dancers; Diavolo and the Flying Karamazov Brothers. For a schedule of events, classes and workshops: 410-715-3089, www.columbiafestival.com or www. tickets.com.