Notes: C, D, E, F, G, and A - Key: C - Origin: Italian - Category: Heptatonic Scales
The C Arezzo Major Diatonic Hexachord 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 no black keys: no and six white keys: C, D, E, F, G, and A. This combination makes this scale - as well as the C Enigmatic, C Neapolitan Major, and C Neapolitan Minor - as great choices for composing or improvising Italian music.
If we take a look a the key signature of the C Arezzo Major Diatonic Hexachord Scale we can find it has no flats and no sharps. Therefore, on sheet music you will find no accidentals on the score. The notes of this scale are: C, D, E, F, G, and A.