He has been working separately with the Westminster Choir.
He has conducted other orchestras, and he tours annually with the Westminster Choir, an elite group of 40 singers from the college.
As the Choir School and the Westminster Choir's reputation grew, the demand for the school's graduates increased.
Years later the Westminster Choir also sang for Presidents Roosevelt and Eisenhower.
The Ninth was meticulously done, and the finale - with the pointed singing of the Westminster Choir - had its usual rousing effect.
The Westminster Choir is the chorus-in-residence in the United States version.
The Westminster Choir performs in churches.
Joseph Flummerfelt's Westminster Choir was also an integral part of the proceedings.
His goal, which he says he achieved long ago, was to bring Westminster Choir into the performing mainstream and give it its own rich choral tone.
His usual charges, the Westminster Choir, sang with the usual assurance for the most part, but looked utterly ill at ease on an opera stage.
