The PyeongChang Olympics are in full swing, and one of the most popular events is figure skating. Millions of people have been tuning in to watch skaters from around the globe perform precise, breathtaking routines - always set to music. But how do skaters choose the music for their particular program? What is the secret to a perfectly-chosen skating song? 

This video by Vox delves into that question. Talking to a musical designer for figure skating routines, and to Olympic star Adam Rippon, they trace the development of figure skating music from Bizet's 'Carmen' to Lil Jon. Yes, that Lil Jon. Take a break from the Olympic festivities and check it out.