The interval quality for each note in this major scale is always perfect or major. The table and piano diagram below show the 8 notes (7 scale major notes + octave note) in the Db major scale together with the interval quality for each. This step identifies the interval quality and formula / spelling for each note in the major scale, then identifies the third note of the major scale, and decides whether the interval quality is either perfect or major.

The augmented 3rd interval below F# is Db The diminished 3rd interval below Fbb is Db D-flat 3rd inverted intervals Shortģrd intervals below note D-flat Intervals below Short This table inverts the above intervals, so that each link in the last column leads to note D-flat. Inverted intervals identifying note D-flat These intervals are shown below on the treble clef followed by the bass clef.

Middle C (midi note 60) is shown with an orange line under the 2nd note on the piano diagram. 3rd intervals above note D-flat D-flat dim3-min3-maj3-aug3 intervals Short This step shows the D-flat third intervals on the piano, treble clef and bass clef.

2 semitones down from d flat major