Classical 6

Classical 6 is especially “catalog-number precise” (lots of BWV references, inventions, English Suite movements, etc.), which suggests a source that cared about accurate classical indexing rather than casual/popular naming. This level of numbering and the overall composer coverage matches what you typically see in dedicated classical piano MIDI archives (including the piano-midi.de ecosystem), and fits the pattern of Kuhmann aggregating high-quality classical piano MIDI into Disklavier-friendly folders.

In other words, Classical 6 reads like a fairly direct import from a structured classical piano MIDI library that was gathered into the Kuhmann Directory, with the emphasis on correct work identifiers.

MIDI Files

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