Arrangement of The Spectral Waltzers 1.-3. for piano, organ or any keyboard instruments for string quartet. It is an open score with elements of aleatorics and an accent on timbre and sonorism.
The compositions also exist in a chamber/large orchestra version under the name The Witch Waltzers. They premiered in New York in 2023, performed by the ensemble Ostravská banda with conductor Jiří Rožeň.
The keyboard version was recorded in 2024 on an almost hour-long album called The Spectral Waltzers 1.-3. Each waltzer appears on this album in a version for grand piano, Janáček's piano and a broken piano performed by Miroslav Beinhauer.