uction. Mooog's <code>adsr()</code> method allows
          you to easily apply the traditional A(ttack) D(elay) S(ustain) R(elease) envelope to any <code>AudioParam</code>. You
          specify a base value, a peak attack value, a sustain value, and an array of durations for the phases of the envelope.</p>
              <ul class="disc">
                  <li>4 values produce a complete ADSR envelope</li>
                  <li>3 values produce a simpler ASR envelope</li>
                  <li>If you're tr