许多已经听过这首著名旋律的人都能哼唱这首曲调，并且常常形容它为 不以忘怀的，宿命的 和伟大的。

Many who have heard this famous piece can hum the melody and often describe it as haunting, foreboding, and big.

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他们唱着完全不同的“旋律”——一次6个音符的随机序列——结果竟然会哼唱一首含有20种声音、怪得令人难以忘怀的二重唱。

They went in singing radically different "tunes" -random sequences of six notes at a time-and came out crooning an oddly haunting duet consisting of about 20 sounds.

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