All Weekend Long:
- Roots Fest 2011, Franklin and N. Gilmore St., all day
- Sip. Savor. Shop, Towson Town Center, 5 to 8 p.m.
- Bootsy Collins, Ram's Head Onstage, 8 p.m.
- Hugo Withers book signing and discussion, Maryland Historical Society, 6 p.m.
- Aftermath, Creative Alliance, 7 p.m.
- Chris Botti, Pier 6, 6 p.m.
- Orioles vs. Reds (Fireworks night!), Oriole Park at Camden Yards, 7:05 p.m.
- The Fool's Lear, Fells Point Corner Theatre, 8 p.m. (Also Saturday and Sunday)
- 133rd Annual Clarksville Picnic, St. Louis Catholic Church, noon to 9 p.m.
- Pimlico Fair, Pimlico Race Track, 1 to 10 p.m. (Also Sunday)
- Toddler Fair, The Montessori School, 10 a.m. to 2 p.m.
- Sloan, The Ottobar, 8 p.m.
- Go Ape! Treetop Adventures, Rock Creek Regional Park
- Gilbert Godfried, Baltimore Comedy Factory, 8 p.m.