The Balanchine Trust estimates that B’s “Symphony in C” runs at thirty-two minutes, New York City Ballet at thirty-three. On YouTube, City Ballet’s 1973 performance runs at twenty-nine, its 2016 one at thirty-four. The Royal Ballet’s is estimated at forty (yes, 40).

— Alastair Macaulay (@AlastairMacaul3) June 5, 2019