NEXT WEEK

by Michele Tranquilli

Published May 11, 2007, 9:18 a.m. ET

A dreadful anniversary

Join in a discussion marking the 150th anniversary of the Supreme Court's Dred Scott vs. Sanford case of 1856, a decision that declared no African-American could be a citizen of the United States. Constitutional scholars Akhil Reed Amar, Earl Maltz and Theodore M. Shaw will discuss the case and its legacy.

National Constitution Center, 525 Arch St., 6:30 p.m. Tuesday, free but reservations required, 215-409-6700 or

» READ MORE: www.constitutioncenter.org

Erin go dance

Kick up your heels, Riverdance is back for a limited engagement! See the larger-than-life celebration of Irish music and dance that has been viewed by more than 19 million people in 32 countries. The production debuted in Dublin, Ireland, in 1995 and has been delighting audiences ever since.

The Kimmel Center, Broad and Spruce streets, 8 p.m. Tuesday-May 19; 7:30 p.m. May 20; 2 p.m. matinees May 19-20, $27.50-$77.50, 215-731-3333 or

» READ MORE: www.kimmelcenter.org/broadway

More MOMIX

For 25 years the dancer-illusionist troupe MOMIX has thrilled audiences with its surrealistic images created with light, props and amazingly athletic bodies. A retrospective performance features some of their best-loved work and a solo dance by founder Moses Pendleton. Expect to see, among other dances, "Baseball," "Lunar Sea" and "Opus Cactus."

Annenberg Center for the Performing Arts, 3680 Walnut St. , 7:30 p.m. Thursday and May 18 and 2 and 8 p.m. May 19, $29-$44, 215-898-3900 or

» READ MORE: www.pennpresents.org