Well-Tempered Clavier (BWV 846-893)

The Well-Tempered Clavier is a collection of two volumes of keyboard music composed by Johann Sebastian Bach, consisting of 48 preludes and fugues in all major and minor keys. Written between 1722 and 1742, it serves as a comprehensive study of musical techniques and styles. The term "well-tempered" refers to a tuning system that allows instruments to play in all keys without sounding out of tune. This work is crucial in Western classical music, showcasing Bach's mastery of counterpoint and is often considered essential repertoire for pianists and keyboardists.