Montreal & Quebec Guitare Montreal April 24-26, www.guitaremontreal.com This weekend festival combines performances, lectures, masterclasses, an exhibition, and a competition with over $4,000 in prizes. The festival begins Friday night with a performance by the Montreal Guitar Society under the direction of Dave Pilon, plus Czech guitar virtuoso Vladislav Bláha and Alan Liu, winner of last year’s Youth Competition. Guitar luthiers and vendors will be displaying their wares all day Saturday and Sunday. Saturday evening features a performance by last year’s competition winner, Miodrag Zerdoner, and renowned New York guitarist David Leisner. On Sunday afternoon, the Montreal Guitar Society Competition…