sentence: Traditional instruments used include the banjo, mandolin, guitar and bass.
sentences_before: Bluegrass music' is a form of American roots music. It has its own roots in Irish, Scottish and English traditional music. It is usually played using acoustic musical instruments, and electronic musical instruments are rarely used in bluegrass music.
sentences_after: Other instruments such as the dobro are also used.
concept_name: traditional instrument
headings: Bluegrass music