Mr. Feigelson has collaborated with some of the world's best known musicians as soprano Barbara Hendrix, pianists Vladimir Feltsman and Bella Davidovich, violinist Oleh Krysa, violist Yuri Bashmet, conductors Neeme Jarvi, Gennady Rozhdestvennsky, Lukas Foss, Lawrence Foster, Gerard Schwarz, Andre Raphel Smith, David Amram and Moshe Atzmon.
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Thereafter, he has performed virtually at every major hall in New York City, as well as Symphony Hall in Chicago, and Kennedy Center in Washington, D.C. He was guest soloist with the Pittsburgh Symphony, Detroit Symphony, Seattle Symphony, Chicago Symphonietta, Brooklyn Philharmonic, Richmond Symphony, Charleston Symphony, and Knoxville Symphony among others.