Notes: C, A, G, E, Eb, and D - Key: C - Origin: African - Category: Heptatonic Scales
The C Blues Major descending uses seven notes per octave. Because of this same reason it is a member of the so called Heptatonic -scales that have Seven-note (or Seven-tone). On the piano keyboard, it is made up of one black keys: G and five white keys: C, A, E, Eb, and D. This combination makes this scale - as well as the C Blues Nine-Note, C Blues Enneatonic, and C Blues Heptatonic - as great choices for composing or improvising African music.
If we take a look a the key signature of the C Blues Major descending Scale we can find it has one flats and no sharps. Therefore, on sheet music you will find one accidentals on the score. The notes of this scale are: C, A, G, E, Eb, and D.