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This dance form is an example of a partnered dance. In classes a choreographed sequence is generally taught, but in practice it is an improvised dance. (Editor)
"Blues dance is simply dancing to blues music and interpreting the "attitude" of the music through the expression of the movements danced by the person or persons (it can also be defined as the greatest style of dance at 4 in the morning but that is only my personal opinion)"
This definition kindly provided by Lisa - teacher of Blues, swing, musicality and great partnered dancing.