Pedal keyboard, also known as a pedalboard, is an important component of an organ or a piano that operates with foot-controlled pedals. There are various synonyms for the term "pedal keyboard" such as pedal clavier, footboard, foot keyboard, and pedal array. These terms all refer to the set of pedals that enable a player to produce a range of sounds with their feet. The pedal keyboard is not only a practical tool for musicians but also adds an aesthetic appeal to the instrument. Regardless of the terminology used to describe it, the pedal keyboard remains a vital component of musical instruments that adds depth to musical performances.