Yamandu Costa and the brilliance of the Brazilian seven-string guitar. The Brazilian star will give a concert to the audience at the annual 'GUITART Guitar Festival' in Plovdiv. Yamandu Costa is one of the most prominent guitarists of our time. A true virtuoso and composer as well, he has left a clear mark on the music scene as an innovator and experimenter, both in the field of guitar techniques and in  contemporary music in general.