“Three men to partner five women! … I’ve often wondered if the name Divertimento No. 15 gave him the idea: 15 = 5 x 3, a kind of numerical pun. Having eight principals (5 + 3), he matches them with a corps of eight women. As you watch the changing corps patterns, Balanchine shows how neatly divisible the number eight can be – two fours, four twos: symmetries abound. But then you see those eight principals. Eight, after all, can contain an imbalance.”