What are the key differences between an orchestra, a symphony, and a band in terms of their composition and performance styles?

An orchestra typically consists of a larger group of musicians playing Classical Music with a variety of instruments, including strings, woodwinds, brass, and percussion. A symphony is a specific type of orchestra that plays symphonic music, usually consisting of four movements. A band is a smaller group of musicians that may play a variety of genres, such as rock, jazz, or pop, and typically includes Guitars, drums, and vocals. Each group has its own unique composition and performance style based on the type of music they play and the instruments they use.