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The history of the scales tells us that the
pentatonic scale is by far, the oldest.
Some musicologists think that it is over 40,000
years old, BC. J. - C., and that all the musics of the world are thus from this
range
pentatonic.
The major and minor ranges, they, exist only since
3/4 centuries.
The gwoka does not escape the rule, it comes
directly from the pentatonic system.
Moreover, it offers within it all the evolution of
music over 40,000 years.
Christian DAHOMAY, in his latest book "Ganm a
gwoka" (gwoka scales), shows this evolution over only about fifty years,
through works of the tradition, and how the songs passed of the pentatonic scales
(music modal) to the major and minor scales (tonal music).
He embellishes his subject with many traditional
gwoka songs.
He also proposes, in a second time, a whole series
of exercises which will make it possible to control the pentatonic scales in
the gwoka.
This document is voluminous, it represents 47 years of research that it
puts at the service of all.
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