blue ‧ grass /ˈbluːɡrɑːs $ -ɡræs/ BrE AmE noun
[uncountable] a type of music from the southern and western US, played on instruments such as the ↑ guitar and ↑ violin
blue ‧ grass /ˈbluːɡrɑːs $ -ɡræs/ BrE AmE noun
[uncountable] a type of music from the southern and western US, played on instruments such as the ↑ guitar and ↑ violin
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012