Music notation or musical notation is any system used to visually represent aurally perceived music through the use of written symbols, including ancient or modern musical symbols. Types and methods of notation have varied between cultures and throughout history, and much information about ancient music notation is fragmentary.Although many ancient cultures used symbols to represent melodies, none of them is nearly as comprehensive as written language, limiting our modern understanding. Comprehensive music notation began to be developed in Europe in the Middle Ages, and has been adapted to many kinds of music worldwide.