Noun
newgrass (uncountable)
English Wikipedia has an article on:newgrassWikipedia
A progressive subgenre of bluegrass music, typically incorporating electric instruments, non-traditional chord progressions, and lengthy improvisation.
Mad River Railroad plays contemporary bluegrass, newgrass, fiddle tunes, folk, roots, traditional blues and country music using bluegrass instruments. Source: Internet
It’s also really cool to see all these new blends of newgrass that is coming into the scene. Source: Internet