dwiel a few comments up seems to have found a &quot;relevant&quot; use for them. <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=11065611" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=11065611</a><p>&quot;I&#x27;ve been trying to find a simple dataset of music to experiment with and this is perfect. Thanks!&quot;