Assertion: mystic chord | /r/CapableOf | serve as harmonic and melodic basis
Facets:
value: loosely
type: MANNER
Source sentences:
text: 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.