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Bluegrass music is a form of American roots music which has its own roots in Irish, Scottish and English traditional music. Bluegrass was inspired by the music of immigrants from the British Isles (particularly the Scots-Irish immigrants of Appalachia), as well as that of rural African-Americans, jazz, and blues. In bluegrass, as in jazz, each instrument takes a turn playing the melody and improvising around it, while the others revert to backing; this is in contrast to old-time music, in which all instruments play the melody together or one instrument carries the lead throughout while the others provide accompaniment. Bluegrass is distinctively acoustic, rarely using electric instruments.
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Unlike mainstream country music, bluegrass relies mostly on acoustic stringed instruments. The fiddle, banjo, acoustic guitar, mandolin, and upright bass are sometimes joined by the resonator guitar (popularly known by the Dobro brand name). This instrumentation originated in rural black dance bands and was being abandoned by those groups (in favor of blues and jazz ensembles) when picked up by white musicians. Instrumental solos are improvised, and can frequently be technically demanding. |
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Debate rages among bluegrass musicians, fans, and scholars over what instrumentation constitutes a bluegrass band. Since the term bluegrass came from Bill Monroe's band, The Blue Grass Boys, many consider the instruments used in his band the traditional bluegrass instruments. These were the mandolin (played by Monroe), the fiddle, guitar, banjo and upright bass. At times the musicians may perform gospel songs, singing four-part harmony and including no or sparse instrumentation (often with banjo players switching to lead guitar). Bluegrass bands have included instruments as diverse as the resonator guitar (Dobro), accordion, harmonica, Jew's harp, piano, drums, electric guitar, and electric versions of all other common bluegrass instruments, though these are considered to be more progressive and are a departure from the traditional bluegrass style.
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