Mellotronists

Sounds like a few Dead shows I've been to!  Especially 
during "Estimated Prophet"!  (Guess that's why most of the 
crowd "twirled" instead.)

Brad

> just too many drunk idiots whooping and hollaring
> and stomping their feet off beat [apparently an odd time signature is
> capable of inducing almost seizure-like behavior in the alcohol 
impaired]
> to totally enjoy the experience.