Sir Simon Rattle conducts and explores Music of the 20th Century [Blu-ray] [BLU-RAY 1] ① Dancing on a Volcano - the musical revolution in Vienna at the turn of the 19th to the 20th century. Richard Wagner, Arnold Schonberg, Gustav Mahler, Richard Strauss, Alban Berg ② Rhythm - when music in the west freed itself from the dominance of melody and explored the richness of musical pulse for its own ..