Dr. Ralph Stanley - Wind Gap - 2012
You may know recognize the name from the O' Brother Where Art Thou soundtrack (he did O Death and origianlly wrote Man of Constant Sorrow) but Dr. Stanely is actually a pioneering force of the genre. He and his brother Carter began recording ole-timey tunes all the way back in 1946.
Carl Smith, June Carter, and The Collins Kids Fiddle With the Grand Ole Opry
Like an atomic era YouTube, this airing of the long-running musical series from 1956 also features country music heavyweights Flatt & Scruggs, the Briar Hoppers, and the Jordanaires.
Bill Monroe and His Blue Grass Boys - Etowah, TN - July 19, 1990
The Father of Bluegrass lays down 18 of his biggest hits from the golden age of the Grand Ole Opry in this live show from Eastern Tennessee.
Texas Prairie Band - Allen Public Library - 2010
Texas Prairie may not itself be a classic bluegrass act (yet) but they do a phenomenal job of exploring modern facets of the genre without getting away from its roots.
Bill Monroe & Doc Watson Duet - Sally Goodin - 1990
This is the Bluegrass equivalent of Jimmy Page and Jimmi Hendrix getting together on stage and playing God Gave Rock and Roll to You.