haymarket riot a labor rally called by chicago anarchists
Goldblade 'Riot! Riot!' - The track is on the current CD 'Mutiny' and has been released as a single in Germany www.goldblade.com
I was in one in 1969, but I can find no record of this any where on the Internet.
a riot is an uprising (sometimes violent) that is caused by undesirable circumstances. eg high taxes and low employment rates
A riot shield is usually used by police officers to cover themselves to be protected from thrown missiles and small caliber bullets.