https://www.musical-u.com/learn/polynome-reinventing-the-metronome-with-joe-crabtree/
We were awed when we discovered the way-beyond-the-metronome app, PolyNome.
We looked up its creator, drummer Joe Crabtree, and he filled us in on how it all came about and the mind-boggling capabilities of this constantly evolving new tool.