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
Classical guitar body of a classical guitar is a resonating chamber that projects the vibrations of the body through a "sound hole", allowing the acoustic guitar to be heard without amplification. The sound hole is normally a single round hole in the top of the guitar (under the strings), though some have different placement, shapes, or numbers of holes. How much air an instrument can move determines its maximum volume. The top, back and sides of a classical guitar body are very thin, so a flexible piece of wood called "kerfing" (because it is often scored, or "kerfed" so it bends with