Boy Blue: Cycles review " a constantly shifting hip-hop high
Barbican theatre, LondonThe company's exploration of the act of dancing ebbs and flows loose-limbed precision " and some astonishing pyrotechnics It will soon be 50 years since hip-hop emerged from the Bronx to become the dominant dance form of the modern world. And it's 23 years since Kenrick "H20" Sandy and Michael "Mikey J" Asante founded Boy Blue in east London. Over that relatively short period, hip-hop has beco…