What are bebop scales
Bebop scales are usually played in bebop. Contrary to the heptatonic scales (seven pitches per octave) they contains eight notes (octatonic scales) including chromaticisms (chromatic passing tones). They are derived for the most of them from modes of the major scale but also from the harmonic minor and melodic minor scales.
Bebop scales from the major scale :
Formula is 1-2-3-4-5-#5-6-7. This is the major scale including a passing tone (#5) between the fifth and the sixth.
Formula is 1-2-b3-3-4-5-6-b7. Compared to the dorian mode this scale has an additional note, a major third, between the minor third (b3) and the fourth.
Formula is 1-2-3-4-5-6-b7-7. This is the mixolydian mode including a major seventh.
Formula is 1-b2-b3-4-b5-5-b6-b7. It has an additional fifth between the flat fifth (b5) and the minor sixth (b6).
Other bebop scales :
- The harmonic minor bebop scale :
Formula is : 1-2-b3-4-5-b6-b7-7 . This scale has a chromatic passing tone (b7) between the minor sixth (b6) and the major seventh (7).
- The melodic minor bebop scale :
Formula is : 1-2-b3-4-5-#5-6-7. The melodic minor bebop scale is derived from the ascending form of the melodic minor scale, it has a chromatic passing tone between the 5th and 6th notes.
- The Phrygian dominant bebop scale :
Formula is 1-b2-3-4-5-b6-b7-7. This scale is derived from the fifth mode of the harmonic scale, the Phrygian dominant mode.
The major bebop scale is an eight note scale. Check out this jazz guitar lesson with scale charts, guitar diagrams and jazz lines for a better understanding of this jazz scale.
The Dorian bebop scale is an eight note scale designed to be used over minor chords in jazz soloing and improvisation. Check out this jazz lesson with guitar fretboard diagrams, scale charts, theory and patterns to understand and play the Dorian bebop scale also known as minor bebop scale.
The dominant bebop scale aka Mixolydian bebop scale is the most used of the bebop scales. This scale contain 8 notes and spelled 1-2-3-4-5-6-b7-7. You will find in this jazz guitar lesson some patterns, neck diagrams, jazz lines and charts to master this scale.
The locrian bebop scale is an octatonic scale, it has eight notes. It is a nice alternative to the Locrian mode when you want to play over m7b5 chords. You will find in this jazz lesson some guitar fretboard diagrams and fingerings.