 In addition, he prepared the choir for more than 100 performances, broadcasts, and recordings with major orchestras.These included, among others, the New York Philharmonic, the Boston Symphony Orchestra, the Boston Pops Orchestra, the Philadelphia Orchestra, the National Symphony, the San Francisco Symphony, the Chicago Symphony Orchestra, the Vienna Philharmonic, the Berlin Philharmonic and the Israel Philharmonic Orchestra, in concerts which were under the direction of the world’s greatest conductors.In addition, he conducted concerts by the American Boychoir in America’s major concert halls, including Carnegie Hall, Lincoln Center for the Performing Arts, the John F. Kennedy Center for the Performing Arts, Symphony Hall, Boston, and the Dorothy Chandler Pavilion in Los Angeles.