The Nordic Singers perform arias and duets from La Boheme, La Traviata, Madame Butterfly and Carmen, and various songs from Nordic countries, at 6:30 p.m., Friday, June 18. $15 in advance; $20 on the day of the show. Ages 18 and younger get in for $5. Call 797-3959, ext. 2, or visit saaca.org for tickets or more information.