 She made her Lincoln Center debut in 1976 and went on to perform with orchestras such as the Boston Pops, the Indianapolis Symphony Orchestra, the New Polish Philharmonic and with the Martha Graham Dance Company.Armstrong’s career as an international virtuoso violinist was interrupted by the long illness and eventual death of her first husband, Alan Cohen.Never one to search for fame or fortune, Armstrong turned her talents largely towards achieving the mission of ACC while occasionally performing on the international stage.