Jazz music played with Bluegrass instruments, typically guitar, mandolin, sometimes banjo and flute.
Tony Rice and Peter Rowan played a bunch of Bluegrass tunes but they also played some dawg.
To an extreme degree
Originated in Wayne Maine in 1971 or '72 by probably the Dimitri brothers. Widely used in the Winthrop Maine area at that time and was introduced to Boston by those of us going to college in that area.
We had a wicked good time and the band was wicked loud.