Peter Chris Bersick

music history china samurai djing jazz pop music pop music history declaration of independence justinian i constantinople eastern roman empire constantine qin qin shihuang di qin dynasty terracotta warriors great wall of china feudalism peasant medieval knights middle ages byzantine empire rome byzantium yuan kublai khan yuan dynasty genghis khan song tang chinese inventions tang dynasty song dynasty japan mongols music education music technology middle ages life medieval history middle ages history teenager medieval life madrigal opera choral seattle opera vocal music history funk funk music choir music history chant gregorian chant music production lifeskills music marketing music music career meiji communist manifesto roman republic democratic ideals history of democracy greek democdracy democracy nine man's morris mongol