Classical guitar use with an added lower string tuned to A. This produced A-D-G-B-E, one of a wide number of variant tunings of the period. The low E string was added during the 18th century." This tuning is such that neighboring strings are at most 5 semitones apart. There are also a variety of commonly used alternate tunings. Classical guitar The classical guitar (also known as the nylon-string guitar, or Spanish guitar) is a member of the guitar family used in classical music. It is an acoustic wooden guitar with strings made of gut or nylon, rather than the metal strings used
Classical guitar type of repertoire is usually performed by guitarists who have particularly chosen to focus on the avant-garde in their performances. Within the contemporary music scene itself, there are also works which are generally regarded as extreme. These include works such as Brian Ferneyhough's "Kurze Schatten II", Sven-David Sandström's "away from" and Rolf Riehm's "Toccata Orpheus", etc. which are notorious for their extreme difficulty. There are also a variety of databases documenting modern guitar works such as Sheer Pluck and others. The evolution of the classical guitar and its repertoire spans more than four centuries. It has a history that was