><span id="__span-3-39"><a href="#__codelineno-3-39" id="__codelineno-3-39" name="__codelineno-3-39"></a><span class="w">        </span><span class="p">(</span><span class="nf">at</span><span class="w"> </span><span class="mi">50</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="p">(</span><span class="nf">play</span><span class="w"> </span><span class="nv">voice</span><span class="w"> </span><span class="nv">C4</span><span class="w"> </span><span class="mi">80</spa