Please make sure all tracks are loaded (they should preload) before pressing a button. Additionally, when playing high intensities, you may need to press "quick lower volume", otherwise it will be very loud and distorted.
Due to the way JavaScript executes, there may be slight delays when starting multiple tracks. Performance can vary by browser and system.

UPDATE: As of 10/10/24, I converted all the tracks to MP3s, so they should load much better. And maybe actually work.
However, if you prefer quality, the original can be found here

Play Low Intensity 1 Play Low Intensity 2 Play Low Intensity 3

Play Medium Intensity

Play High Intensity 1 Play High Intensity 2 Play High Intensity 3 "Bridge"

Play all at once (for fun only) Quick lower volume Stop