ed">
(with-sound () (fm 0 0.5 400 .5 1.0 5.0 '(0 0 20 1 40 .6 90 .5 100 0)))
</pre>

<p>making a brass-like sound.  Similarly, Chowning suggests that
</p>

<pre class="indented">
(with-sound () (fm 0 1.0 900 .5 1/3 2.0 '(0 0 6 .5 10 1 90 1 100 0)))
</pre>

<p>is a woodwind-like tone,
</p>

<pre class="indented">
(with-sound () (fm 0 1.0 500 .5 .2 1.5 '(0 0 6 .5 10 1 90 1 100 0)))
</pre>

<p>is bassoon-like, and finally
</p>

<pre class="indented">
(with-sound () (fm 0 1.0 900 .5 2/3 2 '(0 0 25 1 75 1 100 0)