A good use for the metronome but this is the past

And is that imagine that in the time that was before the phonograph, that you cant have the pianist playing for the choreographer play to measure if the ballet evolution and steps would fit in the music, was used the metronome that counts, not the time of the complete evolution but one ballet step to the dance and music be at the same time when the ballet play would be in the presentation, today with the music recorded is so much easy the choreographer has the music to make the choreography, probably was much more brain work measure with the metronome, having to have the memory of the music probably the score with the time counted in the paper to make the dance be in the same rhythm of the music. Rute Bezerra de Menezes Gondim