Foggy Mountain Breakdown for guitar

On new album Summer Breeze available at or RIP Earl Scruggs After Dueling Banjos and Jesse James this felt like the one to try. Written by the great Earl Scruggs and made famous in the 1967 film Bonnie and Clyde. I use a dropG tuning, (dont know if it has a name( ), only the A string is retuned down to a G) because then you have the root notes of the three chords used, G major, E minor and D major, as open