Erich Leinsdorf / Walter Olitzki / Friedrich Schorr / Karl Laufkötter / Karen Branzell / Max Altglass / Louis D'Angelo / Herbert Janssen / George Chehanovsky / Nicholas Massue / Ludovico Oliviero / Giovanni Paltrinieri / James Wolfe / John Gurney / Emanuel List / Charles Kullman / Chorus / Orchestra And Chorus Of The Metropolitan Opera House