2017 two set. In celebration of the band's 50th anniversary, this collection features 37 tracks of Nitty Gritty Dirt Band's discography, hand-picked by the band. Songs feature a wide range of guest vocalists including Johnny Cash on 'Life's Railway To Heaven' and 'Tears In The Holston River', Kenny Loggins on 'Fire In The Sky' and Linda Ronstadt on 'An American Dream'.