Chromatic harmonica Chromatic harmonica The chromatic harmonica is a type of harmonica that uses a button-activated sliding bar to redirect air from the hole in the mouthpiece to the selected reed-plate desired. When the button is not pressed, an altered diatonic major scale of the key of the harmonica is available, while depressing the button accesses the same scale a semitone higher in each hole. Thus, the instrument is capable of playing the 12 notes of the Western chromatic scale. The chromatic harmonica can thus be contrasted with a standard harmonica, which can play only the notes in a given musical key.
Bebop scale as the bebop minor scale) is derived from the Dorian mode and has a chromatic passing tone between the minor 3rd and the perfect 4th. \override Score.TimeSignature #'stencil = ##f \relative c' { </score> It has all the notes in both the Dorian scale and the Mixolydian scale of the same root. It is the 5th mode of the bebop dominant scale. A second form of the bebop Dorian scale features a major seventh bebop note between the dominant seventh and the tonic. \override Score.TimeSignature #'stencil = ##f \relative c' { </score> The second style, featuring the major seventh, is