Dates for composer Wayne Shorter and librettist / performer esperanza spalding’s “Iphigenia” have been announced. The opera, which will be directed by Lileana Blain-Cruz and conducted by Clark RUndell with set designs by Frank Gehry, costumes by Montana Levi Blanco, lighting by Jen Schriever, and sound by Mark Gray, will make its world premiere this November at ArtsEmerson in Boston {…}