Bluegrass ('blü – grās)
Music played on unamplified stringed instruments (as banjo, fiddle, guitar, and mandolin) and characterized by free improvisation and close usually high-pitched harmony; name given to the musical genre initially made famous by Bill Monroe and The Bluegrass Boys out of Kentucky
Music ('myü - zik)
a : the art of ordering tones or sounds in succession, in combination, and in temporal relationships to produce a composition having unity and continuity b : vocal, instrumental, or mechanical sounds having rhythm, melody, or harmony.
