FORECASTLE FESTIVAL July 9-11, Louisville, Ky. Top acts: The Flaming Lips, Spoon, Drive-By Truckers, Ted Leo and the Pharmacists Tickets: $60 per day, $150 for the weekend 2009 attendance: 23,000+ forecastlefest.com So over the big-name festivals everyone’s heard of? Get in on the next big summer thing by checking out Forecastle. Founded in 2002 as a free event spotlighting local bands, it has since outgrown three subsequent venues, attracted the...