When Scott Teske, a classically trained upright bass player, was in his early 20s, he stepped away from the regimented world of classical music to see what playing in a rock and roll band would be like. Teske picked up the electric bass guitar and joined his first band. It didn’t go so well. “It was really jarring at first,” recalled Teske. “I really loved it. But just the way the rock-'n-roll world operates is really almost challenging in a way. People are late for rehearsal. They’re not