I'm not even kidding. https://www.youtube.com/watch?v=CIv-d_366z0
No Russian hardbass?
That one girl looks part black.
Lotta hardbass too. I generally do about 30-45 minutes of HIIT in the mornings. I switch between fast uphill walking on the treadmill to get my cardio up, stop to do some lifting sets then hop right back on the treadmill a bit... rinse repeat.