In the earliest cultures any ...

In the earliest cultures any tie between the dancers is slight. In a higher level the choral dancers almost always touch one another and thus force themselves into the same stride and the same movement. The closer the contact, the stronger is the social character of the choral.
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 Curt Sachs

Quotes from the same author

The dance is the mother of the arts, The dance breaks down the distinction of body & soul.
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 Curt Sachs
The dance is the mother of the arts. Music and poetry exist in time; painting and architecture in space. But the dance lives at once in time and space.
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 Curt Sachs
In Europe we have the "loss of self" motif clearly illustrated in the whirl dances of the Russians sects of the Molokani in Armenia....All the countries that bordered the Meditteranean in ancient times, and the less remote sections of Asia as well, appear to have had whirl dances.
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 Curt Sachs
The dance lives in all mankind as a necessary motor-rhythmic expression of excess energy and the joy of living.
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 Curt Sachs
The peoples influenced by the animal dance have a variety of movements and dance with enthusiasm; those who do not know the animal dance have few movements and show little zest for dancing.
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 Curt Sachs