New Grass Revival was an American progressive bluegrass band founded in 1971 and composed of Sam Bush, Courtney Johnson, Ebo Walker, Curtis Burch, Butch Robins, John Cowan, Béla Fleck, and Pat Flynn.

[2] New Grass Revival never played traditional bluegrass—all of the members brought elements of rock and roll, jazz, and blues to the group's sound.

[2] Bush and Cowan continued the group, replacing them with virtuoso banjoist Béla Fleck and guitarist Pat Flynn.

[2] Fleck's compositions like "Metric Lips", "Seven by Seven" and "Big Foot" were well received as were Flynn's "Do What You Gotta Do", "Lonely Rider", and "On The Boulevard".

[2] Hold to a Dream, released in 1987 contained hit singles including "Unconditional Love" and "Can't Stop Now.

[6] Bush, Fleck, Cowan, and Burch reunited for one concert (September 24, 1996) at the Ryman Auditorium in Nashville to benefit his widow.

In April 2007, Bush, Fleck, Cowan, and Flynn stepped into the spotlight together during the Merlefest 20th Anniversary Jam and played the Townes Van Zandt song "White Freight Liner.

Bush, Cowan and Burch performed with their own groups on the world's first International Newgrass Festival 21–23 August 2009 at Ballance Motox in Oakland northeast of Bowling Green, Kentucky.