Cubism Pablo Picasso and Georges Braque in the Montmartre quarter of Paris, and to show that Cubism, rather than being an isolated art-form, represented the continuation of a grand tradition (indeed, the golden ratio had fascinated Western intellectuals of diverse interests for at least 2,400 years). The idea of the Section d'Or originated in the course of conversations between Metzinger, Gleizes and Jacques Villon. The group's title was suggested by Villon, after reading a 1910 translation of Leonardo da Vinci's "Trattato della Pittura" by Joséphin Péladan. The fact that the 1912 exhibition had been curated to show the successive stages through
20th-century classical music explored in their respective articles. At the end of the 19th century (often called the "Fin de siècle"), the Romantic style was starting to break apart, moving along various parallel courses, such as Impressionism and Post-romanticism. In the 20th century, the different styles that emerged from the music of the previous century influenced composers to follow new trends, sometimes as a reaction to that music, sometimes as an extension of it, and both trends co-existed well into the 20th century. The former trends, such as Expressionism are discussed later. In the early part of the 20th century, many composers wrote