announcement from the museum. The youngsters are between 13 and 15.
Members of the chorus travel the world every two years.
The concert Thursday will be at 7:30 p.m. in what is formally known as the Teatro Auditorio Nacional.
The chorus began to provide singers for the San Francisco Opera. The Grammy was won for a recording in 1992, but the group has cut many others. The chorus also has performed at a presidential inauguration.
Ian Robertson, who has a close association with the opera, has been director since 1996.
The museum is on Calle 4 north of Avenida 9. It is the former national prison complete with turrets and bars on the windows.