Question: Frederick Martin "Fritz" Reiner, was a prominent conductor of opera and symphonic music in the twentieth century, conducting is the art of directing a musical performance, such as an orchestral or choral concert, primary duties of the conductor are what?
Sentence (from "Fritz Reiner"): Hungarian born and trained, he emigrated to the United States in 1922, where he rose to prominence as a conductor with several orchestras.
Relevant evidence: Yes