Dominant scales are often played over dominant seventh chords and are variants of other scales. They are also distinguished by the including of a minor seventh degree, just as in the seventh chords.
The Phrygian Dominant (a.k.a. Spanish Gypsy) is a popular in jazz, rock as well as flamenco. It includes both a minor third and seventh that match the notes in minor and dominant seventh chords.
Intervals: 1, 2b, 3, 4, 5, b6, b7
Semi-notes: 1 - 3 - 1 - 2 - 1 - 2 - 2
Example of a scale, C Phrygian Dominant: C, Db, E, F, G, Ab, Bb
The Lydian Dominant is mostly used in jazz and has a touch of blues. It deviates from the Lydian mode by its minor seventh. The 1, 3, 5 and 7b degrees in the scale match the notes in dominant seventh chords.
Intervals: 1, 2, 3, 4#, 5, 6, 7b
Semi-notes: 2 - 2 - 2 - 1 - 2 - 1 - 2
Example of a scale, C Lydian Dominant: C, D, E, F#, G, A, Bb
The Aeolian Dominant (a.k.a. Hindu Scale) is mostly used in Indian music. The scale includes a minor seventh degree.
Intervals: 1, 2, 3, 4, 5, b6, b7
Semi-notes: 2 - 2 - 1 - 2 - 1 - 2 - 2
Example of a scale, C Aeolian Dominant: C, D, E, F, G, Ab, Bb
The Dominant Diminished (a.k.a. Diminished Blues) shares several notes with the Blues scale and also has a minor seventh.
Intervals: 1, b2, #2, 3, #4, 5, 6, b7
Semi-notes: 1 - 2 - 1 - 2 - 1 - 2 - 1 - 2
Example of a scale, C Dominant Diminished: C, Db, D#, E, F#, G, A, Bb
The Dominant Bebop Scale (a.k.a. as the Mixolydian Bebop) is one of several choices for bebop. What distinguishes they from the regular Bebop Scale is partly the minor seventh.
Example of a scale, C Dominant Bebop: C, D, E, F, G, Ab, Bb, B
Example of a scale, C Dominant Bebop Mode 3: C, Db, Eb, F, Gb, G, Ab, Bb
Example of a scale, C Dominant Bebop Mode 5: C, D, Eb, E, F, G, A, Bb
|Dominant Bebop Mode 3||C||Db||Eb||F||Gb||G||Ab||Bb|
|Dominant Bebop Mode 5||C||D||Eb||E||F||G||A||Bb|
The Dominant Pentatonic is characterized by its minor seventh, which separates it from its major counterpart.
Intervals: 1, 3, 4, 5, b7
Semi-notes: 2 - 2 - 3 - 3 - 2
Example of a scale, C Dominant Pentatonic: C, D, E, G, Bb
See also: Altered scales