Dancing. Ballet imerican Ballet Theater makes "low key" opening. Post Mr 8, 1972 p.85 Performance of First Chamber Dance Co. of New York at Temple Buell College. Post N 27, 1972 p.31 Cynthia Gregory leading ballerina of American Ballet Theater, to perform in Denver. RMN Mr 28, 1973 P-a2 Review of American Ballet Theater performance Mr 31 at the Auditorium. RMN Startime Ap 1, 1973 P-9 Nijinsky danced in Denver in 1916, Oscar Marinoff gives his provan to Colorado. Women's. College. JKN Startime Ap 15, 1973 P-3