Sound recording and reproduction is an electrical or mechanical inscription and re-creation of sound waves, such as spoken voice, singing, instrumental music, or sound effects. The two main classes of sound recording technology are analog recording and digital recording. Acoustic analog recording is achieved by a small microphone diaphragm that can detect changes in atmospheric pressure (acoustic sound waves) and record them as a graphic representation of the sound waves on a medium. Read More

Traditionally, the aesthetics of music or musical aesthetics concentrated on the quality and study of the beauty and enjoyment (plaisir and jouissance) of music. Aesthetics is a sub-discipline of philosophy, however, many musicians, music critics, and other non-philosophers have contributed to the aesthetics of music. The origin of this philosophic sub-discipline is sometimes attributed to Baumgarten in the eighteenth century, Read More ...

Performance is the physical expression of music. Often, a musical work is performed once its structure and instrumentation are satisfactory to its creators; however, as it gets performed, it can evolve and change. A performance can either be rehearsed or improvised. Improvisation is a musical idea created without premeditation, while rehearsal is vigorous repetition of an idea until it has achieved cohesion. Musicians will sometimes add improvisation to a well-rehearsed idea to create a unique performance. Read More ...