Going South

* World Music--Congolese vocalist Sam Mangwana will sing at 8 p.m. Friday at the Performing Arts Center at Cal State Northridge. Mangwana and his nine-piece band combine melodic and rhythmic elements of African, Caribbean, Latin and European music to create Congolese rumba, or soukous. Mangwana’s 1998 CD, “Galo Negro,” featured his soulful vocals backed by guitar, accordion, driving percussion and a female chorus. The campus is at 18111 Nordhoff St. $9-$15. (818) 677-2488.

* A Cappella--The West Valley Chorus will give a concert at 8 p.m. Saturday at the Madrid Theatre in Canoga Park. The all-female ensemble sings in four-part harmony, a cappella barbershop-style. The chorus and its featured quartets sing all kinds of music, from swing to Broadway show tunes. The theater is at 21622 Sherman Way, Canoga Park. $14.50-$16. (877) 746-4688.

* Celtic Music--The Mulligans, a popular Southern California Irish band for more than 25 years, will perform at 3:30 p.m. Sunday at the Raven Playhouse in North Hollywood. The group, which specializes in traditional Irish music, consists of Terry McCartin, Dennis Murphy and Roy Murray. The venue is at 5233 Lankershim Blvd. $7-$10. (818) 727-9014.

* Guitar Music--Jazz guitarist Ralph Towner headlines International Guitar Night at the Performing Arts Center at Cal State Northridge on Tuesday. International Guitar Night provides a forum for some of the world’s most original guitar players to appear together in concert. Towner first came to national prominence in 1971 for his 12-string guitar work on Weather Report’s “I Sing The Body Electric.” Over the years, he has participated in collaborations with such legendary jazz figures as Keith Jarrett, Wayne Shorter and Egberto Gismonte. Towner, also a prolific composer, has seen many of his compositions performed by orchestras around the world. Marco Pereira of Brazil, Antonio Calogero of Italy and Brian Gore of the U.S. will perform. Show time: 8 p.m. The campus is at 18111 Nordhoff St. $10-$19.50. (818) 677-2488.