[1] He has worked with musicians and performers including Teresa Stratas, Janos Starker, Marin Alsop, Sergiu Comissiona, Jerry Junkin, John Corigliano, Kim Cattrall, Miah Persson, Clamma Dale, Lara Downes, Hila Plitmann, Sangeeta Kaur, Grant Gershon, and Anita Darian.

[5] His oratorio, VOICES, is a setting of poetry and songs of Sephardic victims of the Holocaust and was premiered at Central Synagogue, New York City by Deborah Simpkin King conducting Ember Choral Arts and the American Modern Ensemble.

Two movements of the oratorio were later performed by Grant Gershon and the Los Angeles Master Chorale at the Ronald Reagan Presidential Library in Simi Valley, California.

[6][7] In 1984, Tim Page, writing in The New York Times, described Shapiro as[8] a solid, conservative craftsman whose music, at its best, is marked by a direct expressivity that is often captivating.

Mr. Shapiro writes in an idiom that might be characterized as gently dissonant, eschewing angular vocal leaps and bounds in favor of linear continuity.Recordings include: