It’s Best of Chicago time at the Reader, but the music staff pulled double duty this week (or, more accurately, triple duty) to keep the Soundboard page full of writeups on concerts worth seeing. One of the biggest events this weekend is the Green Music Fest, with headliners Dinosaur Jr. and the Raveonettes, but as usual there’s a whole lot more going on. Let’s take a moment and savor a small sampling of Chicago’s musical bounty over the next few days.