Ah, yes, one always remembers one's Xs 
Now for P (perhaps not that fiendish nor obscure, but the sun has compromised my constructing abilities). 3 elements to this one:
An infamous 1961 event, an infamous Pink Floyd gig and famous possessors of evil spirits. What is the P in common?

Now for P (perhaps not that fiendish nor obscure, but the sun has compromised my constructing abilities). 3 elements to this one:
An infamous 1961 event, an infamous Pink Floyd gig and famous possessors of evil spirits. What is the P in common?
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