Maestros de la Guitarra is about Spanish and flamenco guitar concerts in Barcelona. The » Maestros de la Guitarra is about Spanish and flamenco guitar concerts in Barcelona. The most beautiful music performed by great maestros, throughout the year, in the heart of the city. They enchant people with beauty, history, culture and virtuosity, fostering this art in the city which is known by many as the cradle of the classical guitar: Barcelona.