Bluegrass

Bluegrass has three principal meanings, the second two both deriving from the first listed.

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• Bluegrass is a genus of grasses, Poa.
• Bluegrass music is a form of American roots music.
• The Bluegrass region is an area of Kentucky and Ohio states, USA.
• The Bluegrass was a named passenger train operated by the Monon Railroad between Chicago, Illinois and Louisville.