Bluegrass is an American form of [Folk Music](/wiki/folk_music), born from Appalachian traditions. It is characterized by fast tempos, virtuosic [Acoustic Music](/wiki/acoustic_music) instrumentals, and high, lonesome vocal harmonies.
See also
[Banjo](/wiki/banjo)[Mandolin](/wiki/mandolin)[Old-time Music](/wiki/old-time_music)[Country Music](/wiki/country_music)