For 13 minutes everything is wrong. Sweat pours, frustration builds but calm prevails. Nothing unusual here. Other dancers joke and murmur, two even kiss briefly in a corner. Everywhere there are piles of shoes and knick-knacks.
Some dancers occasionally change shoes.
What battered feet they have, no wonder they seldom wear sandals in public. The principal briefly smiles even. Notator sees a mistake, rubber comes out and one strange squiggle is replaced by another. Dancers go in dribs and drabs and others waddle in from time to time. Goodness knows why 'cos some seem to sit and do nothing.