 }</div>
<div class="line">  <span class="keywordflow">while</span>(millis() &gt;= track1_untilms)  vTaskDelay(1);</div>
<div class="line">}</div>
<div class="line"> </div>
<div class="line"><span class="keywordtype">void</span> loop() {</div>
<div class="line">  play_song1(); </div>
<div class="line">  delay(2000); </div>
<div class="line">  play_song1(<span class="keyword">true</span> ); </div>
<div class="line">  delay(2000); </div>
<div class="line">  play_song2();  </div>
<div class="line">  delay(2000