The Well-Tempered Clavier
The Well-Tempered Clavier, BWV 846–893, is a collection of two sets of preludes and fugues in all 24 major and minor keys, composed for solo keyboard by Johann Sebastian Bach. In 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.

The modern German spelling for the collection is (WTK; ). Bach gave the title to a book of preludes and fugues in all 24 major and minor keys, dated 1722, composed "for the profit and use of musical youth desirous of learning, and especially for the pastime of those already skilled in this study". Some 20 years later Bach compiled a second book of the same kind, which became known as "The Well-Tempered Clavier", Part Two (in German: "Zweyter Theil", modern spelling: "Zweiter Teil").

Modern editions usually refer to both parts as "The Well-Tempered Clavier, Book I" (WTC I) and "The Well-Tempered Clavier, Book II" (WTC II), respectively. The collection is generally regarded as being among the most important works in the history of classical music.
Q214203
BWV
ORG
Q3408995
preludes and fugues
Concept
Q6942465
all 24 major and minor keys
Concept
Q1339
Johann Sebastian Bach
PER
Q901207
keyboard
Concept
Q52954
keyboard instrument
Concept
Q81982
harpsichord
Concept
Q191823
clavichord
Concept
Q1444
organ
Concept
Q9730
classical music
Concept
Q211971
The Well-Tempered Clavier
MEDIA
Q211971
The Well-Tempered Clavier
MEDIA
Q211971
The Well-Tempered Clavier
MEDIA
Q211971
The Well-Tempered Clavier
MEDIA
1722-01-01T00:00:00Z^^http://www.w3.org/2001/XMLSchema#dateTime
1722
DATE
+893^^http://www.w3.org/2001/XMLSchema#decimal
893
NUMBER
+24^^http://www.w3.org/2001/XMLSchema#decimal
24
NUMBER
+24^^http://www.w3.org/2001/XMLSchema#decimal
24
NUMBER
+20^^http://www.w3.org/2001/XMLSchema#decimal
20
NUMBER
instance of
composer
instrumentation
instrumentation
instrumentation
notable work
part of
subclass of
subclass of
part of
subclass of