Halfway through the cup he remembered he'd left his viola on the passenger's seat of the car. One good violinist, one bad violinist, one really bad violinist who became a violist, and one cellist who hates violinists, all getting together to complain about composers. Musicians do it with rhythm. Musicians do it in quartets. Musicians do it in rhythmically.
Musicians do it on a higher scale.
Musicians do it in the practice room. Musicians do it according to the conductor's instructions. Drummers do it faster and faster. Pianists touch, tickle, and titilate. Jazz musicians do it with improvisations.