1. A symphony is an extended musical composition in Western classical music, most often written by composers for orchestra
2. The first symphonies came into existence in the 1730s around Milan and the surrounding Lombardy region
3. Symphonies became popular in the 18th century (ở đâu thì mình chưa tìm được thông tin)
4. Symphonies are incredibly listenable. They offer a way to escape the everyday. They evoke images and inspire emotions. They reveal the depths of the composers’ musical thinking without telling you what to think. They give you the freedom the feel and think whatever you want based on what you are hearing.