"In Da Club" is absolutely one of the best hip-hop workout songs, mostly because of the catchy, well-paced beat. The video features 50 training for endurance to succeed in the rap game, and many have been following suit to get in shape in their own lives.
"Slam" is arguably Onyx's biggest song ever. It's also a perfect song for any kind of exercise.
This is a super high energy, high bpm joint that will definitely burn calories. Just keeping up with the beat alone is enough to make you sweat.