Claude Opus 5.5 writes a fugue for three voices. This piece was rated the second-most enjoyable track on the AI music detection quiz (just behind Bach). 72% of respondents identified it as being human-written.
Prompt: “In LilyPond, write a 3-voice fugue for harpsichord in the style of Bach.” (Extra High effort)
Art, video & music
A Bach-style fugue that 72% of quiz takers judged human-written
Claude Opus 5.5 wrote the three-voice harpsichord fugue in LilyPond from a one-line prompt on extra high effort. On an AI music detection quiz it was rated the second most enjoyable track, just behind Bach.
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- Claude Opus 5.5, LilyPond
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