The conductor was clearly displeased, and not only by his shabby temporary headquarters. He was unhappy about, but not surprised by news that Adalah-NY was staging yet another protest of the Israel Philharmonic Orchestra’s concert on Thursday night. Pulitzer Prize-winning author Alice Walker and Pink Floyd’s Roger Waters were among 50 artists and writers who signed a letter demanding that Carnegie Hall cancel the orchestra’s appearance in response to the Palestinians’ call for a cultural boycott of the Israeli “apartheid state” that is occupying Arab land, building settlements, and repressing Palestinians.