ABC Reiew This weekend, check out the "revolutionary street spectacle" that is the annual HONK! Festival of Activist Street Bands, which began right here in Boston - in fair Somerville, to be exact - and is now a nation-wide phenomenon. Check their website for the schedule of events - you can sing, dance, march, play, or just do your thing - but it all wraps up Monday!The Hub Review, the guide to everything that matters in Boston and elsewhere.