Assertion: japanese pop music | /r/HasProperty | changed to more occidental music
Facets:
value: from music
type: OTHER
value: over time
type: TEMPORAL
value: based on japanese pentatonic scale
type: OTHER
Source sentences:
text: Although Japanese pop music changed from music based on Japanese pentatonic scale and distortional tetrachord to the more occidental music over time, music that drew from the traditional Japanese singing style remained popular (such as that of Ringo Shiina).