What started in 2011 as a small festival along Belmont Avenue has become a panoply of progressive performing arts events spread across four main venues on either side of the Cumberland. This extravaganza of alternative theater — hosted, as always, by Actors Bridge Ensemble — encompasses music, puppetry, storytelling, aerial arts, poetry and performance art, as well as some free events and a new family-friendly focus. Belmont’s Black Box Theater remains a hub venue, but the expansion to East and West Nashville includes new venues like The East Room, The Theater Bug and LeQuire Gallery on Charlotte. As always, performances range from 10 to 90 minutes, and audiences are encouraged to catch multiple events in one day. Among the many offerings are dance from Blue Moves, a one-woman show by Upright Citizens Brigade’s Sarah Wharton, a TV pilot called Phantom Pains that’s being filmed live, and “Act Like a Big Grrrl,” a collection of personal narratives spun off from Vali Forrister’s innovative girl empowerment program. For tickets and info, visit sideshowfringe.com.