The most incredible thing just happened.

For a conversation: Founding members of Pussy Riot, Nadya Tolokonnikova and Masha Alekhina come to the Penn Museum (33rd and South Streets) for a discussion and to screen the video for the Eric Garner-inspired "I Can't Breathe" starting at 4:30 p.m.

For a chance to show off your workout gear: Get ready for bathing suit season with a 6 p.m. total body workout, lead by City Fit Girls, at Dilworth Park (1 S. 15th St.).

For opening night: The classic tale of the orphan always looking forward to tomorrow opens at the Academy of Music (Broad and Locust Streets) tonight. Curtains for "Annie" are at 7:30 p.m.

For stories: Hear tales about (pony)tails and other mane events at The Moth's hair-themed StorySlam beginning at 7:30 p.m. at World Café Live (3025 Walnut St.).

For a celebration: In honor of St. Patrick's Day, Blarney Stone (1227 West Chester Pike, West Chester) has no cover tonight, is offering $1 off Stella draught from 9 p.m. to 11 p.m. and will welcome competitors for Name That Tune at 9:30 p.m.

For more Things to Do, check out our calendar for the most up-to-date happenings.