Mediterranean Sundance still brings the house down. Did you have any idea when you wrote it that it might have that effect on people more than 30 years later? “No, I didn’t. But in 1977, when Paco and I recorded it for my Elegant Gypsy album, we knew that it was a magical one-time performance. After the first take, Paco needed to relax, so he smoked a joint and the second take was the one. The rest is…