This article needs additional citations for
This article was
A Spanish guitar
Acoustic music is music that solely or primarily uses
Music reviewer Craig Conley suggests, "When music is labeled acoustic, unplugged, or unwired, the assumption seems to be that other types of music are cluttered by
Acoustic instruments can be split into six groups: string instruments, wind instruments, percussion, other instruments, ensemble instruments, and unclassified instruments. String instruments have a tightly stretched string, that, when set in motion creates energy at (almost) harmonically related frequencies. Wind instruments are in the shape of a pipe and energy is supplied as an air stream into the pipe. Percussion instruments make sound when they are struck, as with a hand or a stick.