Mushroom induced chorea? edit: https://en.wikipedia.org/wiki/Dancing_plague https://en.wikipedia.org/wiki/Dancing_plague > Often musicians accompanied dancers,

Mushroom induced chorea? edit: https://en.wikipedia.org/wiki/Dancing_plague https://en.wikipedia.org/wiki/Dancing_plague > Often musicians accompanied dancers, due to a belief that music would treat the mania, but this tactic sometimes backfired by encouraging more to join in. Why wouldn't we just call it medieval rave parties?!