In a musical instrument, such as a flat top guitar, having a sound chamber
defined by a back, sides, and a soundboard, a beveled portion is
generally placed in the bass side of the lower bout of the instrument.
The beveled portion has one or more openings, or flutes, which are small,
tube-like openings, half-rounded apertures or other penetrations
extending from the interior to the exterior of the sound chamber. The
bevel flutes are visually pleasing, and emit sound waves generally toward
the ear of the musician.