Photo by TheRobbStory

FOOD & DRINK: Math geeks and dessert lovers alike can celebrate Pi(e) Day this Wednesday by enjoying “all-you-can-eat pie” at St. Stephen’s Church (1525 Newton Street NW). Options include banana cream pie with salty bourbon caramel, vegan avocado pie, classic key lime, and more. 6:00-8:30 p.m. $5 suggested donation.

CLASS: Fiola’s (601 Pennsylvania Avenue NW) new monthly mixology classes kick off tonight with “Whiskey Madness.” Participants will learn about whiskey’s history and enjoy a series of cocktails paired with a three-course meal featuring dishes designed to go with the drinks. If you can’t make it tonight put the next two classes on your calendar. On April 11,”You Say Potato, I Say Juniper,” focuses on gin, and on May 9, “Amaro, Amaro, I Love Ya, Amaro” spotlights the Italian herbal liqueur. 6:00-8:00 p.m. $85 per class or $200 for all three (includes a three-course dinner each time).

READING: The Lowercase, a laidback reading series featuring the work of 826DC volunteers, is back at Big Bear Cafe (1700 1st Street NW ) tonight. 7:00 p.m. Free.

MUSIC: Obits bring “taut, jaggedly-melodic garage rock” to the Black Cat Backstage (1811 14th Street) with Fists and Talk It. 8:00 p.m. $12.