there is a</span>
<span style="color: #ff7f24;">;;; </span><span style="color: #ff7f24;">deceleration from 120 to 96 bpm in 2 beats, with sinusoidal curvature.</span>
<span class="prompt">SCRATCH&gt;</span> (<span style="color: #8deeee;">defvar</span> <span style="color: #eedd82;">*tenv1*</span> (make-tempo-envelope '(60 60 120 120 96) '(8 4 2 2)
                                              <span style="color: #b0c4de;">:curve</span> '(<span style="color: #b0c4de;">:step</span> 4 <span style="color: #b0c4d