Guitar: 1986 Hermann Hauser III' (http://tinyurl.com/mhgtlkf).
Here's 14-year-old Olivia Chiang playing Barrios' 'La Catedral' on a 1986 Hermann Hauser III classical guitar at the Guitar Salon International showroom in Santa Monica, CA.
http://www.guitarsalon.com/
Barrios' 'La Catedral' played by Olivia Chiang