A-major chord with the root marked in red. Engraved using Lilypond 2.16.2.
<a href="//commons.wikimedia.org/wiki/User:Timothy_Gu" title="User:Timothy Gu">Timothy Gu</a>
2013-03-10 16:59:55
<span class="int-own-work" lang="en">Own work</span>