One of Britain's best guitar bands is not remotely a part of its pop scene. A classical guitar ensemble, the Rodrigo Guitar Trio, which features the higher-pitched requinto guitar, visits Shadyside Presbyterian Church at 4 p.m. in a concert for the Music in a Great Space series. $5-$10; 412-682-4300.

The Pittsburgh Camerata will perform the best of the best British choral music in "Six Centuries of British Cathedral Music" at 8 p.m. Friday (St. Paul's Episcopal Church, Mt. Lebanon), Saturday (Sixth Presbyterian Church, Squirrel Hill) and Saturday, May 2 (St. Andrew's Episcopal Church, Highland Park). $10-$20; 412-421-5884.

Brazilian filmmaker Adriana Babinski's film "Immersion," documenting similarities among people in China, Brazil and the United States, screens from 5:30 to 8 p.m. Friday at the 709 Penn Gallery, 709 Penn Ave., Downtown, during The Pittsburgh Cultural Trust's Gallery Crawl.

"Braddock Light," an exhibition of artists who utilize light as a medium, will be held from dusk until midnight Friday and Saturday at UnSmoke Systems Artspace, 1137 Braddock Ave., Braddock. Works by 35 light and video artists from Pittsburgh, Pratt MWP, Utica, N.Y., and The University of Wisconsin, Madison, will participate.

Connie Francis will be in Uniontown at the State Theatre with "Connie Francis ... The Legend Continues" at 8 p.m. Accompanied by a 21-piece orchestra, she'll perform her hits including "Who's Sorry Now," "Lipstick on Your Collar," and "Where the Boys Are." For tickets, $46-$66, call the State Theatre box office at 724-439-1360.