human
I'm a little confused about the difference between a symphony and a string quartet.
assistant
A symphony is a piece of music for orchestra, typically composed in four movements, with each movement being a different tempo and key. The first movement is usually fast and loud, while the second movement is slower and softer. The third movement is usually more intense than the first two, and the fourth movement returns to the original tempo and key. String quartets are a group of four instruments that play together: a violin, a viola, a cello, and a bass. They are usually played at the same time, creating an ensemble sound.