Rhythm and sonic beat is a prime inspiration and motivator in cross training or personalized exercise routines. Nostalgic covers of favorite pop tunes or EDM inspired loops do not provide the tempo meter time-signature and rhythm flexibility to allow you groove collaboratively with what your body demands and needs.  When you are not on the groove you may as well not have any music on at all.  Some times it becomes detrimental to thte exercise process.  Polyrhythmics has an answer to this.    Coming soon.