ne octave is done by
specifying an increase of 12 semitones or half steps.</p>
<div class="sourceCode" id="cb12"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span><span class="va">notes1</span> <span class="op">&lt;-</span> <span class="st">"c b, c d e e d c b, c c c'"</span></span>
<span><span class="va">notes2</span> <span class="op">&lt;-</span> <span class="st">"c' b c' d' e' e' d' c' b c' c' c''"</span></span>
<span><span class="fu"><a href="https://rdrr.io/r/base/all.html" class="ext