Oscar-winning actor Sir Anthony Hopkins, famed for Hannibal Lecter, harboured a secret passion for music. In 1964, he composed a waltz, ‘And the Waltz Goes On,’ which lay unheard for nearly five decades. A chance encounter with violinist André Rieu led to its grand orchestral premiere in Vienna in 2011, fulfilling a lifelong dream for the Welsh star and captivating millions online.