Complex sentence: He continued to showcase his work until 1953, when formed Merce Cunningham Dance Company the Black Mountain College in North Carolina that gave him the platform to innovate choreographic, compositional, technical-interpretative, musical, philosopher and other aspects of dance.
Split into simpler sentences: He continued to showcase his work until 1953, when he formed Merce Cunningham Dance Company the Black Mountain College in North Carolina. It gave him the platform to innovate choreographic, compositional, technical-interpretative, musical, philosopher and other aspects of dance.