><span></span></span>
<span class="r-in"><span><span class="co"># Add the clef to a `Music`</span></span></span>
<span class="r-in"><span><span class="va">music</span> <span class="op">&lt;-</span> <span class="fu"><a href="Music.html">Music</a></span><span class="op">(</span><span class="op">)</span> <span class="op">+</span> <span class="fu"><a href="Meter.html">Meter</a></span><span class="op">(</span><span class="fl">4</span>, <span class="fl">4</span><span class="op">)</span> <span class="op">+</span> 