(PITTSFIELD, Mass.) — Grace Kelly, Phil Woods, Armen Donelian, Gregory Caputo, and the Berkshires Jazz Youth Ensemble will be among the performers at the 2011 Pittsfield CityJazz Festival, October 7-20. Now in its seventh year, the festival comprises some two dozen concerts and events throughout downtown Pittsfield. In addition to headline concerts on Oct. 14-15,…