Book Fair. 10 a.m. Buffalo Center, 1014 Delaware Ave. Find exactly what reads you’ve been missing at this Buffalo book fair. Free.
Flamenco Night. 7 p.m. PAUSA Art House. 19 Wadsworth St. 697-9069. With the Paul Kozlowski Quartet. $7 general, $5 with valid student ID.
Buffalo Philharmonic Chamber Orchestra. 7:30 p.m. Nativity Lutheran Church, 970 Main St., East Aurora. Program includes Vivaldi’s “The Four Seasons” and Bach’s Concerto for Violin and Oboe. $10-$15.
Open Mic. 8 p.m. Backstage Pub. 603 Dingens St., Cheektowaga. 240-9161. Led by Mike Hund.
Helium Presents: Horrible People. 8 p.m. Helium Comedy Club, 30 Mississippi St. Witness hilarious and mortifying stories from great comedians. 853-1211. $12.