David Kellner
Encyclopedia
David Kellner was a German
composer
of the baroque period
and a contemporary of Bach
.
As well as compositions for the lute
which are today highly regarded, he wrote on the theory of music, and particularly on writing for equal temperament
. His diagram of the circle of fifths
is the earliest extant example of the modern layout with major keys and minor keys in two concentric circles, the major immediately outside its relative minor.
Germans
The Germans are a Germanic ethnic group native to Central Europe. The English term Germans has referred to the German-speaking population of the Holy Roman Empire since the Late Middle Ages....
composer
Composer
A composer is a person who creates music, either by musical notation or oral tradition, for interpretation and performance, or through direct manipulation of sonic material through electronic media...
of the baroque period
Baroque music
Baroque music describes a style of Western Classical music approximately extending from 1600 to 1760. This era follows the Renaissance and was followed in turn by the Classical era...
and a contemporary of Bach
Bạch
Bạch is a Vietnamese surname. The name is transliterated as Bai in Chinese and Baek, in Korean.Bach is the anglicized variation of the surname Bạch.-Notable people with the surname Bạch:* Bạch Liêu...
.
As well as compositions for the lute
Lute
Lute can refer generally to any plucked string instrument with a neck and a deep round back, or more specifically to an instrument from the family of European lutes....
which are today highly regarded, he wrote on the theory of music, and particularly on writing for equal temperament
Equal temperament
An equal temperament is a musical temperament, or a system of tuning, in which every pair of adjacent notes has an identical frequency ratio. As pitch is perceived roughly as the logarithm of frequency, this means that the perceived "distance" from every note to its nearest neighbor is the same for...
. His diagram of the circle of fifths
Circle of fifths
In music theory, the circle of fifths shows the relationships among the 12 tones of the chromatic scale, their corresponding key signatures, and the associated major and minor keys...
is the earliest extant example of the modern layout with major keys and minor keys in two concentric circles, the major immediately outside its relative minor.