The German artist you are looking for is Felix Mendelssohn.
Answer: the oils from our hands can be extremely damaging to the paintings
Explanation:
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".
