The Rob Mathes Holiday Concert, a holiday tradition for so many, is celebrating an amazing 30 years of performing its annual holiday extravaganza this year with three concerts at The Performing Arts Center at Purchase College. Concerts are Friday, December 15, and Saturday, December 16, at 8:00 p.m., and a special matinee performance on Sunday, December 17, at 3:00 p.m. Tickets are available at artscenter.org, and VIP seating in the first two rows of the orchestra are available through the concert’s nonprofit beneficiary, Food Rescue US – Fairfield County at bit.ly/3PTsUSF or foodrescue.us/site/food-rescue-us-fairfield-county/.