Four-Handed Monsters

In the course of the nineteenth century, four-hand piano playing emerged across Europe as a popular pastime of the well-heeled classes and of those looking to join them. Nary a canonic work of classical music that was not set for piano duo, nary a house that could afford not to invest in them. Duets echoed from the student bedsit to Buckingham Palace, resounded in schools and in hundreds of thousa...