Many art galleries in and around Philadelphia stay open later on the first Friday of the month. Here's a rundown of arts events tonight and through the month.
Art in City Hall. Second and fourth floors, City Hall, Broad and Market streets. 215-686-9912. "Inside/Outside" features works by prison inmates and ex-offenders. Through Oct. 29. Philadelphia Sketch Club 150th anniversary show of 120 paintings, drawings, photographs and prints, fifth floor north corridor and Council Chambers balcony. Through Oct. 22. Mural Arts Program student exhibit, first floor west corridors. Reception 4-6 p.m. Tuesday, Conversation Hall, Room 201.
Art Gallery at City Hall. Room 116 East Portal Market Street entrance, Broad and Market streets. "A-Plus Art," student art from Philadelphia public schools. To Oct. 1. Reception 4-6 p.m. Sept. 29.

