octave specification.
          </td></tr></table><p><span class="label">See also</span></p><div class="seeAlso"><a href="Chord.html#chordName" target="">chordName</a></div></div><a name="methodDetail"></a><div class="detailSectionHeader">Method Detail</div><a name="_errorInvalidChordName()"></a><a name="_errorInvalidChordName(String)"></a><table class="detailHeader" cellpadding="0" cellspacing="0"><tr><td class="detailHeaderName">_errorInvalidChordName</td><td class="detailHeaderParens">()</td><td class="d