>danceability</dt><dd><p>a score from 0 (not danceable) to 100 (danceable) based on features such as tempo, rhythm, etc.</p>
</dd>
<dt>energy</dt><dd><p>a score from 0 (low energy) to 100 (high energy) based on features such as loudness, timbre, entropy, etc.</p>
</dd>
<dt>key</dt><dd><p>song key</p>
</dd>
<dt>loudness</dt><dd><p>song loudness (dB)</p>
</dd>
<dt>mode</dt><dd><p>0 (minor key) or 1 (major key)</p>
</dd>
<dt>speechiness</dt><dd><p>a score from 0 (non-speechy tracks) to 100 (speechy tracks)</p>