Random Acts of Music – The Ontario Philharmonic (OP) has performed for Durham residents since Listen to various orchestra sections and worldwide classical repertoire with your very own OP. The event is sponsored by the New Horizons for Seniors Program through Employment and Social Development Canada. It takes place at the McLaughlin Branch of the Oshawa Public Libraries, 65 Bagot St., and runs from 1:30 to 2:30 p.m. It is free to attend.