Assertion: blue scale | /r/HasProperty | a7 e7 d7
Facets:
Source sentences:
text: The chord-scale system may be compared with other common methods of improvisation, first, the older traditional chord tone/chord arpeggio method, and where one scale on one root note is used throughout all chords in a progression (for example the blues scale on A for all chords of the blues progression: A7 E7 D7).