I sit down to the piano regularly at nine-o'clock in the morning and Mesdames les Muses have learned to be on time for that rendezvous. Pyotr Ilyich Tchaikovsky

In Greek mythology the nine Muses were the daughters of Zeus and Mnemosyne (the goddess of Memory) and they lived with Apollo on Mount Olympus. They were believed to be the source of all creative inspiration, particularly in the realms...