A measure on how suitable a track could be for dancing to, through measuring tempo, rhythm, stability, beat strength and overall regularity. Tracks near 0% are least danceable, whereas tracks near 100% are more suited for dancing to.
A measure on how intense a track sounds, through measuring the dynamic range, loudness, timbre, onset rate and general entropy. 0% indicates low energy, 100% indicates high energy.
A measure how positive, happy or cheerful track is. Values near 0% suggest a sad or angry track, where values near 100% suggest a happy and cheerful track.
A measure on the presence of spoken words. Values below 33% suggest it is just music, values between 33% and 66% suggest both music and speech (such as rap), values above 66% suggest there is only spoken word (such as a podcast).
A measure on how likely it is the track has been recorded in front of a live audience instead of in a studio. This is measured by detecting the presence of an audience in the track. Values over 80% suggest that the track was most definitely performed in front of a live audience.
A measure on how likely the track does not contain any vocals. Values over 50% indicate an instrumental track, values near 0% indicate there are lyrics.