Spotify vibrate on beat

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Note: most likely as accurate as lumpy oatmeal, though that issue is Spotify's, which I can do absolutely nothing about

Tatums: the lowest regular pulse train that a listener intuitively infers from the timing of perceived musical events.
Beats: The time intervals of beats throughout the track. A beat is the basic time unit of a piece of music; for example, each tick of a metronome.

Sensitivity:
scale from 0 (low sensitivity) - 100 (high sensitivity)

Loudness: set vibration length in milliseconds, a too low value can cause your phone to not vibrate at all

Latency: in milliseconds
-negative latency: vibrates earlier than the music
-positive latency: vibrates later than the music