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Onstage in 1937, the Rockettes cut a sharp, diagonally receding line—in white and top hats—against the dark backdrop. Originally just one line of dancers, the Rockettes today encompass two 40-girl casts.

Onstage in 1937, the Rockettes cut a sharp, diagonally receding line—in white and top hats—against the dark backdrop. Originally just one line of dancers, the Rockettes today encompass two 40-girl casts.
