The award-winning Symphony of Oak Park and River Forest presents a concert entitled “Prism” on Sunday, March 1, at 4 p.m. at Concordia University’s Chapel in River Forest. The program features Concertmaster John Gerson and Principal Violist Uli Widmaier in Mozart’s Sinfonia Concertante in E-flat major followed by Tchaikovsky’s Symphony No. 6 Pathétique. Associate Conductor Maurice Boyer conducts. There will be a free pre-concert conversation at 3 p.m., and a free reception after the concert. Donations will be accepted for the Animal Care League. Tickets are $30 at the door, and $28 online. Students through college are admitted free of charge. Free parking is available in the garage at 1124 Bonnie Brae in River Forest, and the Chapel is directly west of the garage. To order tickets, visit SymphonyOPRF.org. For more information, call 708-218-2648.