Tuning the World

Tuning the World tells the unknown story of how the musical pitch A 440 became the global norm. Now commonly accepted as the point of reference for musicians in the Western world, A 440 hertz only became the standard pitch during an international conference held in 1939. The adoption of this norm was the result of decades of negotiations between countries, involving a diverse group of performers, composers, diplomats, physicists, and sound engineers. Although there is widespread awareness of the