Put on your dancing shoe for the annual “Plaza Swing Series” kicking off at the Brooklyn Public Library. Every Wednesday night through the end of July, the library will host a different live musical act, for free, on Grand Army Plaza in front of the Central Branch of the library. All of the events in the series will begin on Wednesday nights with dance lessons at 6:30 p.m. and music starting at 7 p.m. outside of 10 Grand Army Plaza in Brooklyn. The events are free and open to the public. For information on rain dates and specific acts, visit the BPL’s website.