The most important manuscript of this Prelude and fugue in C minor, performed by Ton Koopman for All of Bach, was written by Johan Peter Kellner (1705-1754). He grew up and worked his whole life in central Germany, where he got to know Bach, whom he greatly admired. It is thanks to pupils and admirers like Kellner that much of Bach’s music has survived at all. The most important manuscript of this Prelude and fugue in C minor was written by Kellner.
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