Click your heels.HEARXponential Music Festival What: WXPN hosts a weekend of tunes from bands like Peter Bjorn and John, They Might Be Giants, Los Straitjackets, and a whole lot more.Why: Music to your ears.When: Fri., doors at 4 p.m.; Sat. & Sun., doors at noon. Where: Wiggins Waterfront Park, Mickle St. & Riverside Dr., Camden, N.J. (215-222-1400). Tickets online at worldcafelive.com.EATUniversity City Dining Days What: An array of West Philly restaurants are offering three-course dinner deals for $15, $25, and $30 and include Desi Village, The Gold Standard Cafe, and Distrito. Why: A good excuse to binge.When: Thru July 30. Where: More info online at ucityphila.org. Call participating restos for reservations.SHOPBlowout SaleWhat: Get 30-80 percent off all spring and summer merch, like Current/Elliot, Rachel Comey, and Built by Wendy, for one night only at Vagabond. Plus, a Taxi CDC trunk show.Why: Smooth saleing.When: Thurs.,5-8 p.m.Where: 37 N. Third St. (267-671-0737).Sidewalk SaleWhat: The Random Tea Room & Curiosity Shop hosts a multivendor sidewalk sale with records, clothing, housewares, and free stuff. Lord Whimsy hosts a tutorial about growing a window box bog at 1 p.m.Why: Everything must go.When: Sat., 10 a.m.-4 p.m.Where: 713 N. Fourth St. (267-639-2442).SEECupcake Bandit Film Festival What: Missed it last time? Not really; it was canceled due to rain. Catch the Philly premiere of Pinheads, hear local bands, and chill with friends in Jefferson Square Park.Why: Cupcakes and film? It might just work.When: Sat., 5 p.m. Rain date: Sun., 5 p.m.Where: Washington Ave., b/t Third & Fourth Sts.