Thank you! That's what I needed, and I AM a shabby enough guitar-banger to need advice on the Eb7. Let me go try that.

While I was puzzling on this, I ran across a bright young fellow, otherwise musical, who had NEVER HEARD this song. Oh, the weight of passing on the folk tradition. We must press ever forward. And while we are pondering this sacred trust to posterity, there is a Marble Arch station, but no Marble Arts.

anyway, THANKS! Viva Terlingua!! And you cows, come home, or we'll keep singing!