Fuente Ovejuna. By Lope de Vega. Produced by Maria Gambale and Jessica Viertel. Directed by Sarah Stewart. Loeb Mainstage, 8 p.m. Black tie opening. 22 October Friday

Concert

Bach Society Orchestra. The orchestra will perform its first concert featuring Schubert's Symphony No. 8 in B minor, "Unfinished," Gorecki's Three Pieces in Olden Style and Saint-Saens' Symphony No. 2 in a minor, Op. 59. Paine Hall, 8 p.m. $5 for students. Tickets are available at the Holyoke Center Ticket Office and at the door.

Films

Harvard Film Archive. Carpenter Center. $5 for students. "Doctor Petiot" at 7 and 9 p.m. Marcel Petiot, a man who perpetrated a personal holocaust by operating a crematorium in his furnace, was one of the most enigmatic figures of occupied France. By day, he was a good doctor who treated the poor. But by night, he lured unsuspecting Jews into his snare in the guise of smuggling them to freedom and coldly destroyed them and stole their valuables. The insane genocidal climate of the times surely held to trigger his own latent madness and made him a monster of the night. "Juvenile Court" at 7:30 p.m. Shot in Memphis, the film records routine legal procedures and the interactions of offenders with the legal system, depicting cases that range from issues of child placement in foster homes to drug abuse to assault and armed robbery. Frederick Wiseman's camera penetrates beyond the surface of human behavior and commonplace order.

Talk

United States Policy in Africa. A brownbag lunch with member of Congress Harry Johnston, head, House of Representatives Subcommittee on Africa. Coolidge Hall 2, 12:30 p.m.

Infanticide in Early Modern Japan. Laurel Cornell, associate professor, Dept. of Sociology, Indiana University. Coolidge Hall 2, 4 p.m.

Theatre

Speed the Plow. A Pulitzer prize-winning play by author David Mamet, Speed the Plow is a scathingly funny take on the motion picture industry. The play Fifteen Minutes recommends

Bach Soc

Unlike that episode of Casper the friendly ghost in which Casper helps Schubert's symphony, we won't hear a finished version. But the powerful piece is still something to behold. explores the real or imagined power structurebetween two producers and a temporary secretary.Loeb Experimental Theatre, 7:30 p.m. Free.

Fuente Ovejuna. By Lope de Vega.Produced by Maria Gambale and Jessica Viertel.Directed by Sarah Stewart. Loeb Mainstage, 8 p.m.23 October Saturday

Concert

Harvard-Radcliffe Veritones. SandersTheatre, 8 p.m. $6 for students.