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
Ten-string classical guitar of Yepes six-string guitar did "not have the same intensity as the others." Ten-string classical guitar of Yepes The ten string extended-range classical guitar, with fully chromatic, sympathetic string resonance was conceived in 1963 by Narciso Yepes, who "ordered the guitar from José Ramírez [III]". This instrument is sometimes referred to as the "modern" 10-string guitar (or the "Yepes guitar") to differentiate it from ten-stringed harp guitars of the 19th century. Today, ten-string instruments to Ramírez' original design remain available from the Ramírez Company, and similar instruments in a variety of designs are available both from the Ramírez Company and other luthiers,