When you start with the concept of contributing 80% of the sound from your cymbals and 20% of the sound from your drums, the rock drummer has a significantly higher rate of success on a jazz gig!

The Charleston or "one bar clave" is probably the most important syncopation to to consider when attempting to assimilate Jazz music.

Truth be told this study is much more about "interdependence" than independence. That is to say that, limb independence is the illusion of what is actually a focused mind on the hierarchy of the contribution of each limb.