"I'll Fly Away" by Alison Krauss & Gillian Welch (video from the film that reminded us what REAL country music is)..
http://youtube.com/watch?v=y9UZeI5laWgEmmylou Harris & Ricky Skaggs - "Hello Stranger" (Oh my. This is one of those youtube discoveries that makes my day. From a long time ago, and introduced by The Man in Black)
http://youtube.com/watch?v=Q5BMiXfpG4QA great medley from Ricky Skaggs and The Chieftains ... nice singin', great playin' and some joyous dancin!!
http://youtube.com/watch?v=7QZ0eZ196SM&mode=related&search=1977 Emmylou... "Making Believe" (maybe not bluegrass, but is it's damn purty!)
http://youtube.com/watch?v=DBrvTRFNqf4Fair warning: if ya don't like Gillian Welch (with David Rawlings), ya won't like the rest of this post much. Here's "Annabelle"..
http://youtube.com/watch?v=TKinacjaPakMore from Gillian and David, this time with The Old Crow Medicine Show... "The Weight" ... fantastic cover.
http://youtube.com/watch?v=v5bhVyLux9MGillian and David: "Time (The Revelator)"
http://youtube.com/watch?v=cPsp3sytbX0One more from Gillian. My favorite "Wrecking Ball" (Brokeback Mountain Video)
http://youtube.com/watch?v=NTPLq33A9LA