Much loved and often honored UA professor David Soren will share his expertise on Greek, Roman and Etruscan artifacts from the Arizona State Museum's collection today. First in ASM's World Collections series, Soren's presentation will be from 7 p.m. to 9 p.m. Tickets are $20 for ASM members and $25 for non-members. For more info, call the museum at 621-6302.

The Arizona Prose Reading Series presents David Foster Wallace and Peter Rock tonight at 8 in the Modern Languages auditorium. These acclaimed writers will read from their respective works. The event is free and preceded by an informal writing colloquium at 11 a.m. at the "Swede" Johnson building, 1111 N. Cherry Ave. Call 626-3765 for details.

Tomorrow night at Holsclaw Hall, the renowned Cypress String Quartet will perform two new works by Daniel Asia and Dan Coleman. The show begins at 7 p.m. and tickets are $15; student discounts apply. Call 621-2998 for more information.

Tucson Arts Brigade presents its first faculty art show, which opens Friday. The exhibit of small works features UA faculty artists, including art professor Alfred Quiroz. The Community Arts Lab hosts this ongoing event through May 2. The Community Arts Lab is located at 901 N. 13th Ave. and is open from 1 p.m. to 5 p.m. Mondays, Tuesdays, Thursdays and Fridays. Call 388-9553 for more information.

If "The Sopranos" just isn't fulfilling your mobster quota, come to the International Arts Society Film Program Friday for the "greatest English gangster film ever made." Tony Soprano could take a few notes from Bob Hoskins' Harold, the tough but complicated mobster in contemporary London. The show starts at 7:30 p.m. in the Modern Languages auditorium, and unlike HBO, it's free!

Arizona Opera presents Puccini's "Madame Butterfly" on Friday and Saturday. This classic, cross-cultural love story will be sung in Italian with English subtitles projected over the stage. Call Ticketmaster at 321-1000 or Arizona Opera at 293-4336 for tickets. There is a student discount with ID.

Everything from 12,000-year-old mammoth bones to an ultralight aircraft will be at Arizona State Museum's open house on Saturday from 10 a.m. to 4 p.m. In addition to the museum's century-old collection of Southwestern artifacts, the museum will present pilot-photographer Adreil Heisey. The museum is located across from Centennial Hall. Call 626-8381 for more information.

As the semester closes, and, for some, graduation nears, a nice way to archive all those tickets stubs, photos and memorabilia from years past is in a light box. Muse gallery will hold a workshop on building such a box Saturday from 1 p.m. to 5 p.m. with guest artist Danielle Pullido. The $49 fee includes structural materials; bring your own memories. Muse is located at 516 N. Fifth Ave. Call 903-0918 for more info.

On Saturday at Himmell Park, the American Friends Service Committee's Prison Concerns Subcommittee will present Prisoners Are People Day. There will be speakers, displays, voter registration and an inmate art show and sale. Learn more about our expanding criminal justice system and get involved already!

Calling all rockers! Prong is performing at Club Congress, 311 E. Congress St., with Ash Black and Flatline. Billed as the "thinking man's metal," this show kicks off at 9 p.m. Sunday. Run to Zia for the $10 tickets, and call 622-8848 for further instructions.

If your tastes are a little less metal and a little more Broadway, come to the Aerospace and Mechanical Engineering auditorium Sunday at 7:30 p.m. to get a "Phantom of the Opera" primer from UA professor of English Jerrold E. Hogle. The Harvard graduate will discuss his recent book, "The Undergrounds of the Phantom of the Opera." Call 626-4425 for more information.

Stroll over to Holsclaw Hall for Collegium Musicum's spring concert Sunday. Specializing in pre-1750s music on period instruments and in appropriate performance practices, Collegium Muscium is comprised of 29 singers and 21 instrumentalists. The music starts at 2:30 p.m. Admission is free. Call 621-2998 for more information.

Muscogee poet and saxophonist Joy Harjo will be speaking at the Poetics and Politics Series, which celebrates the 20th anniversary of the American Indian Studies Program on Monday. Harjo is the author of six books of poetry and has played saxophone on two CDs. This free event is open to the public and begins at 7:30 pm in Social Sciences, Room 100. For more information, call 621-7108.