Classical guitar There are significant works by composers such as Hans Werner Henze of Germany, Gilbert Biberian of England and Roland Chadwick of Australia. The classical guitar also became widely used in popular music and rock & roll in the 1960s after guitarist Mason Williams popularized the instrument in his instrumental hit Classical Gas. Guitarist Christopher Parkening is quoted in the book "Classical Gas: The Music of Mason Williams" as saying that it is the most requested guitar piece besides Malagueña and perhaps the best known instrumental guitar piece today. In the field of New Flamenco, the works and performances of Spanish
Ten-string classical guitar of Yepes Ramírez III considered adding sympathetic strings to the classical guitar. He sought advice from the leading classical guitarists of the time, notably Andrés Segovia and Narciso Yepes, both of them players of Ramírez six-string guitars. Eventually they came up with a ten-string guitar. In "Ser Instrumento", Yepes mentions that the reasons that led him to carry out the "design" ("diseño"), of his instrument were acoustical/physical (""físicas"") and musical (""musicales""). After some "initial protest" that the 10-string guitar envisioned by Yepes was "impossible" to construct, Ramírez agreed to the commission and completed the first of these instruments in March 1964. Yepes