Frank Zappa variations on the carlos santana secret chord progression

(Guitar solo from City Of Tiny Lights
Santa Monica Civic Auditorium
December 11, 1980
engineer: George Douglas
FZ lead guitar
Steve Vai rhythm guitar
Ray White rhythm guitar
Ike Willis rhythm guitar
Tommy Mars keyboards
Bob Harris keyboards
Arthur Barrow bass
Vinnie Colaiuta drums)
Ah . . . e-hem . . .