Performing two different rhythms with each hand seems impossible until you become a drummer. Drums are SO vitally important to all musicians who want to learn rhythms to sing, play, dance, or song write. It is the base rhythmic element from which to layer your musicianship! And RHYTHM IS THE #1 MOST DIFFICULT OF ALL TRAINING TO TEACH BOTH YOUNG AND OLDER MUSICIANS.
There are just a lot of people who can’t keep a beat (And all of the coaches here have very secret ways to get you to be right on top of the beat)