Before the nineteenth century, a conductor’s baton was a baseball-bat-size implement that was banged against the floor to keep time. This could be dangerous. In 1687, while conducting a symphony playing Te Deum for Louis XIV, who had just recovered from serious illness, composer Jean-Baptiste Lully accidentally struck his foot with his baton, causing inflammation in his toe. He refused amputation, and an infection spread, killing him two months later.

Twenty-two-year-old critic Richard Goldstein savaged the Beatles’ Sgt. Pepper’s Lonely Hearts Club Band in a New York Times review when the album was released in 1967, calling it “busy, hip, and cluttered.” He later admitted the stereo he’d heard it on had a busted left speaker, but he remained unapologetic: “What can I say? If you’re not embarrassed by your youth, what good are you?”

In 2009 a twenty-four-year-old policewoman in Long Branch, New Jersey, responded to complaints about an “eccentric-looking old man” peering into a house. She asked the man his name. “I’m Bob Dylan,” he said. “I’m on tour.” Taking him for a liar, she put him in the back of her car and drove him to his hotel, where others confirmed he really was the musician. “I think he named a couple of songs,” she later recalled. “But I wouldn’t have known any of the songs.”

Michel de Montaigne’s father believed “it disorders the tender brains of children to awake them by surprise in the morning, and suddenly and violently to snatch them from sleep”; he preferred to rouse his son from slumber “by the sound of some instrument of music,” likely an early form of harpsichord called an epinette. Montaigne recalled later that he “was never without a musician for that purpose.”