People of the Bluegrass Roots played the guitar, banjo, and violin.
The Bluegrass Roots were the English, Scottish, and Irish, who brough Country music to the U. S. A.
Bluegrass is a sub-genre of country music that relies heavily on acoustic stringed instruments. Its five major instruments are the fiddle, the guitar, the mandolin, the five string banjo, and the upright bass.
This question could be open for much debate. If you are looking at "bluegrass" music, then it is undeniably Bill Monroe. Sometimes the argument arises that the instruments used in Bluegrass where around before Monroe, but it was indeed Bill Monroe that took those instruments and combined them into the core group of instruments that are still used in Bluegrass today. Monroe experimented with several combinations of instruments, even the accordion, before settling with mandolin, bass, guitar, banjo and fiddle.
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Bluegrass, country and folk music have in common the fact that they tend to use similar musical instruments.
Among the big five instruments in bluegrass, the banjo is prominent for its distinctive sound and rhythmic playing style. The other key instruments typically include the mandolin, guitar, fiddle, and upright bass. The banjo often serves as a driving force in bluegrass music, contributing to its energetic and lively atmosphere. Its unique picking technique, known as "Scruggs style," has become synonymous with the genre.
In my order of preference: Banjo (5-string) Guitar Mandolin Violin Dog Box (String bass)
The average age of bluegrass listeners varies, but tends to lean towards older demographics due to the genre's historical roots. However, there is a growing interest in bluegrass among younger audiences, helping to diversify the age range of listeners.
Whereas Nashville Tennessee, is the "Country Music Capitol of the World." Kentucky, is the "Home of Bluegrass." Even before the United States became an independent nation, individuals who lived in what is now the states of Kentucky, Tennessee, and Virginia developed the music that the world knows as bluegrass. These people used such instruments as guitars, banjos, and fiddles to create their music. Country music and bluegrass music are related to each other. The only thing that makes them different, is that bluegrass performers use the basic instruments that were used in the early years of America. Country music artist have much more musical instruments to back them up. Such instruments for the country singers would include guitars, fiddles, piano, harmonica, steel guitar, drums, and electric guitar.
If you mean Irish music? Its called 'Celtic' and it is the roots of country music and bluegrass as we know it today.
Mandolins used in Bluegrass music often fill the melodies similar to a lead guitar, but can also lead rhythm.
Bluegrass music is a form of American roots music. It 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 in Appalachia), as well as 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 instrumentation not using electrical instruments of any kind except for the electric bass guitar.