The flute is a musical instrument that belongs to to the aerophone category of musical instruments. Unlike wood wind instruments with reeds such as the clarinet, saxophone or oboe for example. The flute is an aerophone or reedless wind instrument that produces its sound from air blown across an opening. According to the instrument classification of Hornbostel–Sachs, flutes are categorized as edge-blown aerophones. A musician who plays the flute can be referred to as a flute player, flautist, flutist.