A four-voice fughetta in the F♯ Ionian Augmented ♯2 mode for an atypical chamber ensemble (string trio [violin, viola, violoncello] plus bass guitar). This mode, the sixth mode of the Double Harmonic Major scale, consists of the following intervals in its ascending form: augmented second, semitone, semitone, augmented second, semitone, tone, semitone.
The full engraved score reproduced below:
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