The Vieuxtemps Guarneri is a violin that is older than the United States of America — 273 years old, to be exact. It recently became the most expensive violin in the world, selling for an estimated $16 million. Its new owner anonymously donated the historic instrument to violinist Anne Akiko Meyers, on loan for the rest of her life.
When it's time to buckle down and focus, plenty of office workers will put on headphones to help them drown out distractions and be more productive. But can music also help dairy cows get down to business?