Free concert: Pianist Virginia Lum performs with Kamehameha Schools students and staff, 7:30 p.m. Friday, Bishop Memorial Chapel. Lum, an attorney with the federal justice department, has appeared as a guest artist and lecturer from the Lincoln Center for the Performing Arts. She debuted with the Honolulu Symphony at age 8. Call 842-8356.
UH Guitars: 7:30 p.m. Friday, Orvis Auditorium. Tickets $5 general, $3 students and seniors. Call 956-8742.
Celebrity Pajama Party: Featuring Barrio Boyzz, with special guests, 8 p.m. Friday, the Groove. Tickets $17 in advance, $20 at the door; available at Jelly's, Tempo's, Mo' Bettah Store, Radio Free Music Center. Call 596-BIGG or 596-2444. Or charge by phone at 545-4000.
Bankoh Ki-Ho'Alu Slack Key Festival: Performances by John Keawe, Elmer Lim, Ikaika Brown, Brother Noland, Martin Pahinui, Al Kaai, the Native Hawaiian Band and others, 4 to 9:30 p.m. Saturday, King Kamehameha Kona Beach Hotel lawn. Free admission.
Angeles Quartet in concert: 8 p.m. Saturday, Orvis Auditorium. Program includes Haydn, Op. 71, No. 3; Fritz Kreisler Quartet; Webern, Six Bagatelles; and Dvorak, "American" (Op. 96). Part of the Honolulu Chamber Music Series. Tickets $18 general, $13 students and seniors. Call 956-8242.
Babes in Toyland in concert: 8:15 p.m. Saturday, the Groove, 1130 N. Nimitz Highway. Doors open 7:30 p.m. Tickets $13.50, available at Jelly's and Hungry Ear locations, Tower Records at Kahala and Pearl Kai, Tower Video at Kapiolani, Pearl Harbor Bloch Arena, ITT outlet at Kaneohe MCBH, UH Campus Center, Waikiki Beachcomber MTI desk and Tempo's at Ala Moana, Windward Mall, Kapolei and at Kaahumanu and Lahaina on Maui. Charge by phone at 545-4000 or 800-333-3388. Or call 528-0353.
Free organ recital: 1 p.m. Sunday, St. Andrew's Cathedral. John McCreary joins 354 other musicians from the 355 American Guild of Organists chapters at their organs across the country in playing Bach's "Toccata and Fugue in D Minor." Call 528-7129.
UH Choirs and Chamber Orchestra: 7:30 p.m. Sunday, St. Andrew's Cathedral. Program includes music by Manuel, Britten and Ahlen, folk songs arranged by Johannes Brahms and Robert Schumann's "Zigeunerleben." Tickets $5 general, $3 students and seniors. Call 956-8742.
Hawaii Youth Symphony Association: Free concert featuring Youth Symphony II, 2 p.m. Sunday, Ala Moana Centerstage. "Teacher of the Year" Michael Nakasone conducts. Call 941-9706.
"Let's Dance": Al Waterson and Sydette
join the Willie Barton Orchestra, 6 to 9 p.m. Sunday, Monarch Room, Royal
Hawaiian Hotel. Admission $12.50, available at Tower Records (Kahala,
Pearl Kai), Tower Video (Keeaumoku Street) and Records Hawaii. One-drink
minimum. Part of the proceeds go to the National Kidney Foundation of
Hawaii.