Plays have scripts that tell actors what to say, plus occasional stage directions, indicating how to deliver a certain line or when to move in a particular direction — the most famous being Shakespeare’s notation in Act III of “A Winter’s Tale”: “Exit, pursued by a bear.”
Music has chains of notes representing various pitches and durations, with extra instructions delineating whether they be played loud or soft, fast or slow.
But how do ballet dancers know where to step?
There are videos, of course, and a complex system known as Benesh Movement Notation, resembling notes on a scale. Neither works particularly well.
“I can tell when someone learned off an audition video,” said Suzanne Lopez, one of two choreography directors from the Joffrey Ballet for “Anna…