Sierra Hull, a Grammy-nominated bluegrass ... roots music crossover moment that acts like Krauss and Tyminski had borne via the success of the T Bone Burnett-produced "O Brother Where Art Thou ...

NORTH ADAMS — FreshGrass, the annual three-day festival of bluegrass and roots music, returns to Mass MoCA Sept. 19-21 with a lineup featuring Alison Brown, Greensky Bluegrass, Cimafunk, Lee Fields, ...