If you love live theater performances, book yourself some seats for a play or other stage show at Geva Theatre Center. Look online for prices and times.
You'll soon find out why this Downtown Rochester arts and culture attraction is visited by many travelers. If you're looking for other things to keep you busy, Genesee River's High Falls, Rochester Institute of Technology, and University of Rochester are in the area too. They won't take you very long to get to from Geva Theatre Center.