: This site specialized in hard-to-find contemporary classical and jazz-inflected scores and often lists Gulda’s compositions. MuseScore.com Where to Buy Official Digital Scores
A: You cannot buy them separately legally. They are a paired opus. However, the official PDF is searchable, so you can print just the fugue pages. gulda prelude and fugue pdf download high quality
: Built on a highly syncopated subject, it involves complex four-part writing that demands "disentangling" gnarly polyphonic lines. Improvisation the official PDF is searchable