I think a great oddball would be unexpect... their music is as progressive as it gets even though it can be fairly chaotic at times... they would be something different to behold at PP
"Oddball" bands are getting harder to pigeonhole. Since Glenn considered PC69 to be last year's oddball, it's clearly not a matter of cookie-cookie-cookie-clean anymore.
Hawkwind
Blue Oyster Cult*
Cirith Ungol
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* safely priced wayyyy above what Glenn would reasonably pay, BTW