What two significant historical occurrences advanced the development of music in nineteenth century?

1. The Industrial Revolution: The Industrial Revolution brought about significant technological advancements that had a profound impact on music. The invention of the steam engine and the subsequent rise of factories led to increased production of musical instruments, making them more affordable and accessible to the general public. Additionally, the development of mechanized music production techniques, such as the player piano and the phonograph, allowed for the mass production and distribution of music, revolutionizing the way music was consumed and experienced.

2. The Rise of Nationalism: The 19th century witnessed a surge in nationalistic sentiments across Europe, which manifested itself in various cultural and artistic movements, including music. Composers drew inspiration from their national heritage, incorporating folk melodies, rhythms, and themes into their compositions. This led to the development of distinct national styles of music, such as Russian music influenced by folk traditions, German music rooted in Romanticism, and French music characterized by its elegance and refinement. The emphasis on national identity and cultural heritage contributed significantly to the enrichment and diversification of Western classical music.