More than 30 jazz concerts and events, many of them free, will take place across Montgomery County when Montco Jazz Fest celebrates its fifth anniversary Sept. 15-20. The festival brings performances to parks, restaurants, theaters and community venues throughout the county. The six-day event features performances by local musicians and nationally recognized artists at venues throughout Montgomery County. For the first time, the festival is partnering with Montgomery County Parks and Recreation to present free concerts in parks across the county, while Eataly at the King of Prussia Mall will host free jazz performances throughout the week. Sept. 15-20Multiple venuesThroughout Montgomery County, Pa.