PANAMERICAN Globetrotting Argentine singer-songwriter Federico Aubele has made a name for himself on the international scene, blending elements of Latin, dub and trip-hop music under the tutelage of dub favorites Thievery Corporation. Touring in support of 2007's Panamericana, Aubele plays at 9 p.m. Saturday at the b.side lounge, 2017 13th St., Boulder. $14. 303-473-9463 or www.thebsidelounge.com.

NEW WORKS The CU Department of Theatre opens its fall season with two one-act plays: "4:48 Psychosis," an exploration of madness; and "The Lottery," a comedy set in a small New England town. Shows are at 7:30 p.m. Thursday and Sept. 19, 2 and 7:30 p.m. Sept. 20 and 2 p.m. Sept. 21 in the Loft Theatre upstairs in the CU Theatre building on campus. $6-$10. 303-492-8181.

PRIDEFEST Boulder celebrates its gay, lesbian, bisexual and transgendered communities Saturday with the Pridefest Block Party, running from 11 a.m. to 6 p.m. on the 1300 block of the Pearl Street Mall and the Boulder County Courthouse lawn. The festival includes community information and vendor booths, a family area with face painting and art projects, and music from LGBT performers Something About Lulu, Ryan Mintz and James Roy. A post-festival event dubbed Queerapalooza begins at 7 p.m. at the Laughing Goat Coffeehouse. Festival free, concert $10. www.boulderpride.com.