For all the gentle bitching and tempered moaning we do about certain aspects of our local music venues, on the whole, they’re nothing to sneeze at. Sometimes amidst endless debates about sound quality and beer prices, we forget that we’re rather lucky to have so many high quality venues in the area. Luckily, the fine folks at Pollstar haven’t forgotten. Wolf Trap’s Filene Center, Merriweather Post Pavillion, The Birchmere and the 9:30 Club have all…