VocaLoca 2009. Kelly Strayhorn Theater. 7 p.m.
Shinedown. Wedgewood Entertainment Center. 7:30 p.m.
Yossi Klein Halevi. Adamson Wing, Baker Hall 136A. 4:30 p.m.
The Future of Nuclear Energy after Three Mile Island. Adamson Wing, Baker Hall 136A. 7 p.m.

Mike Tomaro Quartet. The Backstage Bar. 8 p.m.
Achieving Sustainability: The Tipping Point. Adamson Wing, Baker Hall 136A. 4:30 p.m.

Dickson Prize in Science Ceremony & Lecture. McConomy Auditorium, University Center. 4:30 p.m.
Pittsburgh Speakers Series: Jane Goodall. Heinz Hall for the Performing Arts. 8 p.m.

Performance and Ecology. Breed Hall, Margaret Morrison 103. 4:30 p.m.
Gene Stovall. The Backstage Bar. 5 p.m.
The Gypsy Strings. Gypsy Café. 8 p.m.

Paul Thorn. Diesel Club Lounge. 7:30 p.m.
The Circus Starring Britney Spears. Mellon Arena. 8 p.m.
The Rocky Horror Show. Pittsburgh Playhouse. 8 p.m.
Friday Salsa. The Cabaret at Theater Square. 10 p.m.

Gravity + Grace. Box Heart Gallery. 6 p.m.
Blues Traveler. University of Pittsburgh. 8 p.m.
The Harlan Twins with the O Band. Club Cafe. 7 p.m.

Plant Dyes. Phipps Conservatory. 1:30 p.m.
The Sound of Music. Palace Theatre for the Performing Arts. 2 p.m.
Josh Ritter. Diesel Club Lounge. 7 p.m.

University Lecture Series: Kenneth Lipartito. Adamson Wing, Baker Hall 136A. 4:30 p.m.
Concert featuring world-renowned pianists. Kresge Recital Hall, College of Fine Arts. 8 p.m.

I Nipoti. Pittsburgh Playwrights Theatre. Through March 29.
Noseda & Schubert’s “Great.” Pittsburgh Symphony Orchestra. Heinz Hall for the Performing Arts. March 27-29.
Justice Illuminated: The Work of Arthur Szyk. Posner Center. Through March 28.
Sixth CMU International Film Festival. McConomy Auditorium, University Center. Through April 4.
La Boheme. Benedum Center. March 28–April 5.
The World Goes ’Round. O’Reilly Theater. Through April 5.
Mary’s Wedding. City Theatre. Through April 5.
Potato/Tomato: The Cover Project. Future Tenant. March 28–April 10.
My Way: A Musical Tribute to Frank Sinatra. CLO Cabaret. Through May 10.