Chromatic Fantasia & Fugue

We are very pleased to present a series of three articles by Dr. Rosalyn Tureck on Bach's Chromatic Fantasia and Fugue, edited by Xoán Elías Castiñeira Varela. The First Performance Edition, Griepenkerl 1819 and Critical Notes on the Text and Interpretation are forthcoming.

The Rust Variant, BWV 903a

Editor’s Praeambulum

  • Source, Provenance, Acceptance
    • Introduction
    • History of the Reception of the Rust Variant BWV903a
    • The Rust Variant: Its Appearance and Disappearance
  • Bach’s Early Composing Procedures in Relation to BWV 903a
    • BWV 535, BWV 572, BWV 875, Mono-figural Preludes, Toccatas
    • Analogies to the double-noted Values of BWV903a, mm. 21-23: BWV 1050, BWV 1052
    • Conclusion
  • Comparative Structural Analysis of BWV 903 and BWV 903
    • Mm. 1 and 2.
    • Triadic Figuration and Triplet Rhythm


The First Performance Edition, Griepenkerl 1819
Critical Notes on the Text and Interpretation


During her lifetime, Dr. Tureck published several editions, articles, and a book on the performance practice of J. S. Bach's music. These are listed below:

Dr. Tureck's autobiography, detailing her extraordinary life and career, was published posthumously by Pendragon Press (2019): Rosalyn Tureck: A Life with Bach.


As early as 1980, Rosalyn Tureck began to donate her meticulously curated archive of her own writings and research materials to the Howard Gotlieb Archival Research Center at Boston University. Now housing all non-audio-visual materials once owned by Dr. Tureck, the number of boxes now numbers in the hundreds. Every month, we add a document or two, taken from this archive, to the list below: