Today

Noon

IRISH FESTIVAL -- Celebrate the Emerald Isle with live performances from nationally recognized Celtic musical groups and local Irish dancers and get a taste of Ireland with traditional Irish foods. The festival is noon-11 p.m. today and 10:30 a.m.-7 p.m. tomorrow at the Maryland State Fairgrounds, 2200 York Road, Timonium. Admission is $10, $7 for ages 65 and older, $5 for ages 12-17 and free for children 12 and younger. Information: go to irishfestival.com.

8:15 p.m.

"MARIA STUARDA" --Austrian soprano Gabriele Fontana performs the title role of this sad tale of Mary, Queen of Scots, presented by the Baltimore Opera Company at the Lyric Opera House, 110 W. Mount Royal Ave. Tickets are $46-$132. Information: Call 410-727-6000 or go to baltimoreopera.com.

Tomorrow

5 p.m.

WINARD HARPER SEXTET -- Baltimore-born percussionist Winard Harper brings his group to the Baltimore Museum of Art as part of the Baltimore Chamber Jazz Society's concert series. The museum is at 10 Art Museum Drive. Tickets are $10-$27. Information: Call 410-385-5888 or go to baltimorechamberjazz.org.

11 a.m.

VETERANS DAY -- Living-history volunteers dressed as soldiers from the War of 1812 through World War II will be at Fort McHenry National Monument and Historic Shrine to talk about the fort's changing role through time. Rare artifacts will also be on display. Tickets are $7. Visitors 15 and younger, veterans and seniors with a "Golden Age" card are admitted free. The fort is at 2400 E. Fort Ave. Information: go to nps.gov/fomc.