All Weekend Long:
- Baltimore Tattoo Convention, Baltimore Convention Center, check website for details
- Pimlico Opening Day, Pimlico Race Course, all day
- Orioles vs. Twins, Oriole Park at Camden Yards, 3:05 p,m.
- Out of Order Show, Maryland Art Place, 8 p.m.
- They Might Be Giants, Ram's Head Live, 8 p.m.
- Louis C.K., Joseph Meyerhoff Symphony Hall, 9 and 10 p.m.
- Sound of Music Sing-a-long, Hippodrome, 7 p.m.
- Waverly Farmer's Market, Waverly, 7 p.m. to noon
- Sushi Eating Contest, RA Sushi, 3 p.m.