Bell A carillon, which is a musical instrument consisting of at least 23 cast bronze cup-shaped bells, is tuned so that the bells can be played serially to produce a melody, or sounded together to play a chord. A traditional carillon is played by striking a baton keyboard with the fists, and by pressing the keys of a pedal keyboard with the feet. The keys mechanically activate levers and wires that connect to metal clappers that strike the inside of the bells, allowing the performer to vary the intensity of the note according to the force applied to the key. In
What Is a Nation? today". At the current time, however, the existence of separate nations serves to guarantee liberty, in a way which would be lost if the whole world served under one law and one master. "Each brings one note to the great concert of humanity..." Renan gives Switzerland as a prime example of a nation established by volition (choice, will): Renan's argument was summarized in the German term "Willensnation" ("nation-by-volition"), used to describe the status of Switzerland as a federal state by choice, and not along ethnic boundaries. The term became popular to describe the Swiss political model after World War I