Woodwind instruments are a family of musical instruments that produce sound when air is blown through them. They are typically made of wood or metal and include instruments like the flute, clarinet, oboe, and saxophone. The sound is created by the vibration of air within the instrument, which can be altered by the player's fingers covering holes or pressing keys. These instruments are known for their unique timbres and are commonly used in orchestras, bands, and solo performances. Woodwinds can be categorized into two main types: reed instruments, which use a small piece of cane to produce sound, and non-reed instruments, like the flute, which rely on air flow alone.