<p>Sure - call the school. Always the best bet.</p>
<p>But as to how I read their requirements: They are asking for any three of the four, but giving an example of the kind of piece they are looking for from each period. If they had ended the list by says “or” instead of “and”, it would have sounded like they only wanted one piece. So they used “and”, making it sound like they needed all four.</p>