We're talking 20 bands spread out over four downtown venues, all but one of which is all ages. And it's completely free? We're talking 'bout Big Ass Boombox, perhaps the coolest idea of 2012 so far, in which local bands like Pigeons, Sons of Huns, Blue Skies for Black Hearts (and more!) hit a cluster of venues all within easy walking distance, and all for no scratch at all! NED LANNAMANN Also, read our article on Big Ass Boombox festival.