Assertion: chord's triad | /r/ObjectUse | used as substitute dominant
Facets:
Source sentences:
text: The augmented triad on the V may be used as a substitute dominant, and may also be considered as ♭III+.
text: The augmented triad on the fifth scale degree may be used as a substitute dominant, and may also be considered as ♭III+, for example in C: V+ = G-B-D♯, ♭III+ = E♭-G-B♮, and since in every key: D♯ = E♭.