The Theory That Would Not Die. Porter Hall 100. 4:30 p.m.
Parachute. Stage AE. 7 p.m.
Her Shorts. SouthSide Works. 7:30 p.m.
The School of Art Lecture Series Presents Carolee Schneemann. Kresge Theatre, College of Fine Arts. 5 p.m.
Arctic Monkeys with Smith Westerns. Stage AE. 7 p.m.
La Traviata. Benedum Center. 7 p.m.
Mr. Pleasant. Adamson Auditorium. 6:30 p.m.
CMU Guitar Ensemble. Mellon Institute. 8 p.m.
Gillian Welch. Byham Theater. 8 p.m.
The Slackers. Rex Theater. 8 p.m.
Butch Walker. Stage AE. 7 p.m.
Phantogram with Exitmusic. Mr. Small’s Theatre. 8 p.m.
Anvil. Altar Bar. 9 p.m.
Toxic Avenger. Andy Warhol Museum. 7 p.m.
La Traviata. Benedum Center. 8 p.m.
Viva Bahia! Kelly-Strayhorn Performing Arts Center. 8 p.m.
Average White Band. Altar Bar. 9 p.m.
Qué Qué. Shadow Lounge & Ava Lounge. 10 p.m.
Young Prisms. Garfield Artworks. 7 p.m.
EOTO. Rex Theater. 9 p.m.
New Invisible Joy with John Bechtol. Club Cafe. 9 p.m.
La Traviata. Benedum Center. 2 p.m.
Carnegie Mellon Jazz Vocal Ensemble. Alumni Concert Hall, College of Fine Arts. 3 p.m.
Music in a Great Space: Mendelssohn Choir of Pittsburgh. Shadyside Presbyterian Church. 4 p.m.
AppleFEST. Merson Courtyard. 11 a.m.
The Pittsburgh International Lesbian and Gay Film Festival. SouthSide Works Cinema. Through Oct. 23.
2011 Pittsburgh Biennial. Pittsburgh Center for the Arts and Pittsburgh Filmmakers. Through Oct. 23.
Rust Belt Freak Show. Gallery on 43rd Street. Through Oct. 29.
2011 Pittsburgh Biennial. Miller Gallery, Purnell Center for the Arts. Through Dec. 11.
Botany and History Entwined: Rachel Hunt’s Legacy. Hunt Library. Through Dec. 15.
Palladio and His Legacy: A Transatlantic Journey. Carnegie Museum of Art. Through Dec. 31.
Sites of Passage. The Mattress Factory. Through Jan. 8.
Heroes & Villains: The Comic Book Art of Alex Ross. Andy Warhol Museum. Through Jan. 8.
Picturing the City: Downtown Pittsburgh, 2007–10. Carnegie Museum of Art. Through March 25.