Amanda McKerrow

Ballet is a 1995 American documentary film directed by Frederick Wiseman. It portrays rehearsals, choreography, performances, business transactions, and other day-to-day life of the American Ballet Theatre. Much of the footage dates from the 1992 season. It also includes scenes from the company's European tour, namely in Greece and Copenhagen. (Wikipedia)

Les Sylphides is a short, non-narrative ballet blanc to piano music by Frédéric Chopin, selected and orchestrated by Alexander Glazunov.