Notes: C, Db, Eb, F, Gb, G, Ab, and B - Key: C - Origin: American - Category: Nonatonic or Ennatonic Scales
The C Bebop Half-Diminished uses nine notes per octave. Because of this same reason it is a member of the so called Nonatonic or Ennatonic -scales that have Nine-note (or Nine-tone). On the piano keyboard, it is made up of four black keys: Db, Eb, Gb, and Ab and four white keys: C, F, G, and B. This combination makes this scale - as well as the C Bebop Dominant, C Bebop Major I, and C Bebop Major II - as great choices for composing or improvising American music.
If we take a look a the key signature of the C Bebop Half-Diminished Scale we can find it has four flats and no sharps. Therefore, on sheet music you will find four accidentals on the score. The notes of this scale are: C, Db, Eb, F, Gb, G, Ab, and B.