New York City Ballet one at Lincoln Center's David H. Koch Theater on 63rd Street in Manhattan, and another at the Saratoga Performing Arts Center, in Saratoga Springs, New York. The School of American Ballet (S.A.B.), which Balanchine founded, is the training school of City Ballet. After the company's move to the State Theater, Balanchine's creativity as a choreographer flourished. He created works that were the basis of the company's repertory until his death in 1983. His vision influenced dance both across the United States and in Europe. He worked closely with choreographer Jerome Robbins, who resumed his connection with the company in 1969
New York City Ballet also occasionally accompanies other dance companies when they visit The David H. Koch Theater from other cities. These engagements have included the Australian Ballet in the spring of 2012, and the San Francisco Ballet in the fall of 2013. Over the decades the NYCB Orchestra has welcomed other noted orchestral musicians to collaborate on special performances. Included among this group was John Serry Sr., who served as the lead orchestral accordionist during the NYCB's 20th anniversary season in the premiere of Jacques d' Amboise's "Tchaikovsky Suite" (1969). Andrew Litton was appointed to the position on December 16, 2014, and started