On August 24, Matthias visited the Guitar Salon International in Santa Monica, California, USA.

After some tryout of several historical guitars, he recorded two videos on guitars made by Ignacio Fleta (1964) and Domingo Esteso (1925). The recorded pieces J. S. Bach: Lute Suite No. 1, BWV 996 (II. Allemande) and G. Gershwin: Prelude No. 2 can be watched at following link: http://www.guitarsalon.com/blog/?p=18482.