This Friday marks the beginning of the fall 2013 ArtWeek Boston. A city-wide celebration of art, ArtWeek Boston is curated by the Citi Performing Arts Center. ArtWeek exhibits include the “Play Me I’m Yours” Boston Street Piano Festival, Family Opera Day at the Boston Public Library, a choreography workshop, and various gallery shows. A full list of events can be found at ArtWeekBoston.org. Some of these events are entirely free, so check out the listings and get in on this artsy affair!