But Who Was Fulcanelli? lyrics

[Guitar solo from Drowning Witch
Sporthalle, Cologne, Germany
May 21, 1982

FZ CUSTOM STRAT
Ray White rhythm guitar
Steve Vai stunt guitar
Tommy Mars keyboards
Bobby Martin keyboards
Ed Mann percussion
Scott Thunes bass
Chad Wackerman drums]

Submitted by Guest

What do you think is the meaning of But Who Was Fulcanelli? by Frank Zappa?