What makes Barren County by New Grass Revival notable?

'Barren County' is notable for its innovative approach to bluegrass, contributing to the genre's evolution during the late 1970s. The album received positive reviews, highlighting the band's unique sound that would influence future generations of bluegrass musicians. Its reception helped establish New Grass Revival as a significant force in the Americana music scene. Released in 1979, 'Barren County' was New Grass Revival's third studio album, following their self-titled debut and the critically acclaimed 'When the Sun Goes Down'. At this point, the band was solidifying its reputation as pioneers in progressive bluegrass, blending traditional elements with contemporary influences. This album marked a continuation of their artistic evolution.