Pyotr Ilyich Tchaikovsky (May 7, 1840 - November 6, 1893) was a Russian composer, world famous for his "Nutcracker Suite", "Swan Lake" and "First Piano Concerto". In the 11th episode of the First Series a sketch is performed where the Royal Philharmonic Orchestra goes to the bathroom. The music performed is Tchaikovsky's "First Piano Concerto". Partners:Wolfgang Amadeus Mozart , Ludwig van Beethoven