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.
Blues scale the sound and feel of the blues scale as "funky," "down-home," "earthy," or "bluesy." The blues scale is also used in other genres to reference the blues idiom. Blues scale The term blues scale refers to several different scales with differing numbers of pitches and related characteristics. The hexatonic, or six-note, blues scale consists of the minor pentatonic scale plus the 5th degree of the original heptatonic scale. This added note can be spelled as either a 5 or a 4. \override Score.TimeSignature #'stencil = ##f \relative c' { </score> A major feature of the blues scale is the use