Original: The première of the 1919 version of Les Noces, with cimbaloms, harmonium and pianola, took place in 1981 in Paris, conducted by Pierre BoulezCraft, 1981.
Simplified: The 1919 version of Les Noces, with cimbaloms, harmonium and pianola, was never heard at the time, and only first performed in 1981 in Paris, conducted by Pierre Boulez.