Rudy Kool
Grand Rapids
I am a retired engineer and lifelong musician. I was trained classically on lower brass (euphonium and trombone) but also play guitar, bass guitar, saxophone, and trumpet. I have extensive s…
I am a retired engineer and lifelong musician. I was trained classically on lower brass (euphonium and trombone) but also play guitar, bass guitar, saxophone, and trumpet. I have extensive s…