The 60 intervals with the greatest percentage similarity to a harmonic series. Z. GillKamraan PurvesDale 2013 <p>Interval size is the distance from a fixed tonic in cents. See <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0008144#s2" target="_blank">Methods</a> and <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0008144#pone-0008144-g002" target="_blank">Figure 2</a> for further explanation.</p>