The great musician on technique, from an interview in 2014:
“All my technique – on the guitar, the lute, the baroque guitar, and not forgetting the vihuela, was totally homemade. I’ve never really been taught how to play these plucked instruments. Therefore, I have an ideal of sound in my head and I get as near as I can to realizing that sound. So I use any stroke or method of playing that gives me satisfaction first, that also realizes my ambition in matters of sound and articulation.”
Allan Kozinn offers a lengthy appreciation here.
MEMETERIA by Thomas May 