The Well-Tempered Clavier, BWV 846–893, is a collection of two series of Preludes and Fugues in all 24 major and minor keys, composed for solo keyboard by Johann Sebastian Bach. In the German of Bach's time Clavier (keyboard) was a generic name indicating a variety of keyboard instruments, most typically a harpsichord or clavichord – but not excluding an organ either.

Date of composition 1722 in Köthen (Anhalt), Germany
First published 1801, unsure in Leipzig, Germany
Type Preludes and Fugues
Catalogue BWV 846–869
Approx. duration 115 minutes
Instruments Harpsichord
Autotranslations beta Jean-Sébastien Bach: Das wohltemperierte Klavier n°1, BWV 846–869 "The Well-Tempered Clavier, book 1"
Johann Sebastian Bach: Das wohltemperierte Klavier n. 1, BWV 846–869 "The Well-Tempered Clavier, book 1"
Johann Sebastian Bach: Das wohltemperierte Klavier Nr. 1, BWV 846–869 "The Well-Tempered Clavier, book 1"