Aleksey Igudesman might reasonably be described as a modern day Victor Borge. With his cabaret partner, Hyung-ki Joo, he has toured concert halls all over the world, wringing all that is humorous out of classical music with just the basic tools of violin and piano. The “Happy Birthday Variations” are dedicated to his good friend, the late Sir Roger Moore and are typical of Aleksey’s brand of humour. They take the internationally known musical greeting on a world-wide tour, from a Viennese Waltz,...