An Acoustic Guitar 🎸 is a musical instrument in the
string family. When a string is plucked, its vibration is transmitted from
the bridge, resonating throughout the top of the guitar. It is also
transmitted to the side and back of the instrument, resonating through the
air in the body, and producing sound from the sound hole.
The original, general term for this stringed instrument is guitar, and the
retronym
'Acoustic Guitar' 🎸 distinguishes it
from an electric guitar, which relies on electronic amplification.
Typically, a guitar's body is a sound box, of which the top side serves as
a sound board that enhances the vibration sounds of the strings. In
standard tuning the guitar's six strings are tuned (low to high) E2 A2 D3
G3 B3 E4.
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