For the diversity of arts maybe. Because he feels like it.
An orchestra is defined as a large instrumental ensemble typical of classical music. An orchestra features bass, brass, strings, woodwinds, and percussions. In the list given above, the section that is not one of the four groups in the orchestral palette is the voices. The answer would be "voices".
I feel like its a . battle hymn of the republic . Its played in lots of military bands .
