The example below shows ♭III+ as a substitute dominant in a ii-V-I turnaround in C major.
The augmented triad on the V may be used as a substitutedominant, and may also be considered as ♭III+.
The augmented chord on I may contain the major seventh (I 7ĥ ( Play)), while the augmented chord on V may contain the minor seventh (V 7ģ ( Play)). The inversions of the augmented chord may also be used [I+ ♯6, IV ( Play) and I+ 6 In its resolution the fundamental may either remain stationary, descend five degrees, or ascend four degrees the third may either ascend a minor second, or remain stationary and the fifth ascends a minor second. The augmented chord, (which appears upon three of the minor key,) is commonly found upon one, four, or five of a major key. In other words, the top note is raised a semitone. Whereas a major triad, such as C–E–G, contains a major third (C–E) and a minor third (E–G), with the interval of the fifth (C–G) being perfect, the augmented triad has an augmented fifth, becoming C–E–G ♯. The chord can be represented by the integer notation. For example, the augmented triad built on C, written as C+, has pitches C–E–G ♯: When using popular-music symbols, it is indicated by the symbol '+' or 'aug'. The term augmented triad arises from an augmented triad being considered a major chord whose top note (fifth) is raised.
Augmented triad Component intervals from rootĪn augmented triad is a chord, made up of two major thirds (an augmented fifth).
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