The Well-Tempered Clavier is a collection of two sets of preludes and fugues in all 24 major and minor keys, composed by Johann Sebastian Bach. Often regarded as one of the most influential works in Western classical music, it laid the groundwork for the development of keyboard music.
Bach's Well-Tempered Clavier is a vital tool for understanding tonality and harmony. Musicians and composers study it thoroughly and continue to be inspired by Bach's intricate construction and expressive depth.