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Seventh (F), in red, of a G7 dominant seventh chord in C Third inversion G7 chord; the seventh is the bass. In music, the seventh factor of a chord is the note or pitch seven scale degrees above the root or tonal center. [1] When the seventh is the bass note, or lowest note, of the expressed chord, the chord is in third inversion Play ⓘ.
For instance, in the C major scale, G is the fifth note of the scale, and the seventh chord built on G is the dominant seventh chord, G 7 (shown above). In this chord, F is a minor seventh above G. In Roman numeral analysis, G 7 would be represented as V 7 in the key of C major.
Musical symbols are marks and symbols in musical notation that indicate various aspects of how a piece of music is to be performed. There are symbols to communicate information about many musical elements, including pitch, duration, dynamics, or articulation of musical notes; tempo, metre, form (e.g., whether sections are repeated), and details about specific playing techniques (e.g., which ...
The note G is the dominant degree of C major—its fifth note. When we arrange the notes of the C major scale in ascending pitch and use only these notes to build a seventh chord, and we start with G (not C), then the resulting chord contains the four notes G–B–D–F and is called G dominant seventh (G 7).
For example, for the chords "Dm7 ♭ 5 G7 ♭ 9, play down the B♭7 scale from its seventh to B" (B being the added half-step "bebop note" and third of the G7 ♭ 9 chord). This works because the notes of the Dm7 ♭ 5 chord { D F A ♭ C } are also chord tones of B ♭ 9 { B ♭ D F A ♭ C }. This scale is sometimes called the Phrygian ...
Successive seventh chords starting with a secondary dominant: V 7 /V (II 7)–V 7 –I, in this case G 7 –C 7 –F). Note the chromatic voice leading (B ♮ –B ♭ –A), and that the F in the first chord is 27.26 cents lower than the F in the third chord.
The seventh scale degree is very often raised a half step to form a leading tone, making the dominant chord (V) a major chord (i.e. V major instead of v minor) and the subtonic chord (vii), a diminished chord (vii o, instead of ♭ VII). This version of minor scale is called the harmonic minor scale.
The augmented minor seventh chord may be considered an altered dominant seventh and may use the whole tone scale, as may the dominant seventh flat five chord. [7] See chord-scale system. The augmented seventh chord normally acts as a dominant, resolving to the chord a fifth below. [8] Thus, G aug 7 resolves to a C major or minor chord, for example.