Question: Étude in C-sharp minor was written by the Russian symbolist composer Alexander Scriabin for which instrument?
Sentence (from "Mystic chord"): In music, the mystic chord or Prometheus chord is a six-note synthetic chord and its associated scale, or pitch collection; which loosely serves as the harmonic and melodic basis for some of the later pieces by Russian composer Alexander Scriabin.
Relevant evidence: No