Dance Panels is a ballet composed by Aaron Copland in 1959 for a planned collaboration with choreographer Jerome Robbins. After Copland had written the score, Robbins reneged on his commitment and the performance did not take place. Three years later, Copland revised the score for a ballet by the Bavarian State Opera in Munich, Germany, where it premiered on 3 December 1963. The ballet was performed by the New York City Ballet in 1965 and the concert version received its first performance at the Ojai Music Festival the following year. According to Copland biographer Howard Pollack, Dance Panels has proven from a musical standpoint one of the composer's more accessible late scores. While some of its more dissonant moments sound similar to Copland's twelve-tone compositions, other parts reca