Margaret Cho will appear at the Pittsburgh Improv, 166 E. Bridge St., at The Waterfront at Homestead. Cho -- an American comedian, fashion designer, actress, author, gay icon and recording artist -- is best known for her stand-up routines through which she critiques social and political problems, especially those pertaining to race, sexuality and sex. She frequently has supported LGBT rights and won awards for her humanitarian efforts on behalf of women, Asians, and the LGBT community. Showtimes are 7 p.m. today and 8 p.m. Monday. For more info and tickets, $25, www.improv.com or 412-462-5233.
Jeffrey Toobin discusses his new book on the U.S. Supreme Court, "The Oath: The Obama White House vs. The Supreme Court," as part of the Literary Evenings, Monday Night Lecture Series at Carnegie Music Hall, 4400 Forbes Ave., Oakland, at 7:30 p.m. Mr. Toobin claims that "the battle between a conservative court and a liberal president will be one of the central behind-the-scenes dramas of the Obama years." Tickets: $15 and $25, www.pittsburghlectures.org or 412-622-8866.
Craig Ferguson, host of "The Late Late Show With Craig Ferguson" on CBS, performs a night of uncensored humor at The Palace Theatre, Greensburg, at 8 p.m. The comedian, actor, director, screenwriter and author has hosted the late night show, which airs after "The Late Show With David Letterman," since 2005. For tickets, $38, $48 and $54, 724-836-8000 or www. ThePalaceTheatre.org.
Zammuto performs at The Andy Warhol Museum, 117 Sandusky St., North Side, at 8 p.m. as part of the museum's Sound Series. Nick Zammuto, formerly of the experimental, electro-acoustic, sound collage duo, The Books with cellist Paul de Jong, is expanding to a quartet that includes a churning yet precise and calculated rhythm section and prominent vocals with a myriad ethereal effects. Lymbyc Systym, an instrumental duo of brothers Jared and Michael Bell, opens the show. For tickets, $15, $12 for CMP members and students, www.warhol.org or www.ticketweb.com or 412-237-8300.
The Pittsburgh Symphony Orchestra and its music director Manfred Honeck went out on a limb in 2009 when they presented an enhanced version of Mozart's "Requiem," interspersed with readings of letters from the composer to his father, from a Holocaust survivor and biblical verse. "Amadeus" star F. Murray Abraham will narrate these readings and the Mendelssohn Choir of Pittsburgh and soloists will sing this mysterious work that Mozart left unfinished when he died. Then PSO concertmaster Noah Bendix-Balgley gives his concerto debut at Heinz Hall, Downtown, with Beethoven's Violin Concerto, 8 p.m. Friday and Saturday and 2:30 p.m. next Sunday. Tickets start at $20; www.pittsburghsymphony.org; 412-392-4900.
Chatham Baroque goes country for its upcoming concerts. Well, sort of. The trio will apply its period instruments and baroque technique to folk and traditional Appalachian music of Pennsylvania, West Virginia and North Carolina. Mark Tamsula (banjo, fiddle) and Ellen Gozion (vocals, banjo) join them for "Say, Darlin' Say" at 8 p.m. at Synod Hall, Oakland, and at 2:30 p.m. Sunday at the Laughlin Music Center on the campus of Chatham University. $10-$30; 1-888-71-TICKETS or www.chathambaroque.org.