When a melodic idea is presented by one voice or instrument and then restated immediately by another voice or instrument, the technique is called?

While fragileworks of art might be best preserved in a locked box, museums routinely display such objects. why do museum professionals feel it is important to share these artifacts?

Performer emphasizes a tone by playing it more loudly than the tones around it is called?

Name this sculpture the time period it was created during,and its purpose