C Gregorian no.3 Scale on the Piano - Improvisation and Composition

Notes: C, Db, Eb, F, G, Ab, Bb, and B - Key: C - Origin: Church - Category: Nonatonic or Ennatonic Scales

The C Gregorian no.3 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, Ab, and Bb and four white keys: C, F, G, and B. This combination makes this scale - as well as the C Gregorian no.1, C Gregorian no.2, and C Gregorian no.4 - as great choices for composing or improvising Church music.

If we take a look a the key signature of the C Gregorian no.3 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, G, Ab, Bb, and B.

How to play the C Gregorian no.3 scale?

  1. 1
    To play the C Gregorian no.3 on your piano, start on the Root note. Play C, the first note of the scale.
  2. 2
    Continue with rest of the notes that shape the scale, play Db, Eb, F, G, Ab, Bb, and B.
  3. 3
    Return to the home of the C Gregorian no.3 scale. Play again C -the tonic of the scale- to mark its ending.

How to play the scale in descending fashion?

  1. 1
    Begin on the last note. Play the C, the last (and first) note of the scale.
  2. 2
    Go down. Play B, Bb, Ab, G, F, Eb, and Db.
  3. 3
    Reach the home again. Establish tonality by playing the tonic of the C Gregorian no.3 scale: C.
  4. 4
    Tip. If you want to learn how to improvise or compose your own music using the C Gregorian no.3 scale or any other scale, check out our piano improvisation and composition lessons and enjoy thousands of interactive multimedia piano animations.
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