Carillon strike the inside of the bells, allowing the performer on the bells, or "carillonneur/carillonist" to vary the intensity of the note according to the force applied to the key. Although unusual, real carillons have occasionally been fitted to theatre organs (instead of the metal bars or chimes more often used in simulation), such as the Christie organ installed at the Regal Cinema, Marble Arch, in London. A carillon-like instrument with fewer than 23 bells is called a chime. The carillon is the second heaviest of all extant musical instruments, only ranking behind the largest pipe organs. The heaviest carillon 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