Bb Whole Half Diminished

B flat Whole Half Diminished scale for guitar.
The Bb Whole Half Diminished is a eight-note scale. Colored circles mark the tones in the diagram (darker color highlighting the root notes).

Bb Whole Half Diminished 2 octaves

Bb Whole Half Diminished scale diagram

Bb Whole Half Diminished full fretboard

Bb Whole Half Diminished scale whole guitar neck diagram
Notes: Bb - C - Db - Eb - E - F# - G - A Intervals: 2 - 1 - 2 - 1 - 2 - 1 - 2 - 1 Type: Octatonic, Symmetric

The scale displayed with its numeric formula, intervals and scale degrees.

Formula Notes Intervals
1 Bb Unison
2 C Major second
b3 Db Minor third
4 Eb Perfect fourth
b5 E Diminished fifth
#5 F# Augmented fifth
6 G Major sixth
7 A Major seventh

The scale formula can alternatively be written as 1 - 9 - b3 - 11 - b5 - #5 - 13 - 7.

The B flat Whole Half Diminished scale consists of eight notes. The name is reflected by the notes, or steps, organized on the guitar fingerboard as whole, half, whole, half, whole, half, whole, half.
This scale is also called B flat Fully Diminished scale because it is constructed by a merge of diminished seventh chords.
There are two scales primarily known as “Diminished”, the other one is Bb Half Whole Diminished scale.
A third “diminished” scale is the Diminished Whole Tone (see the Related scales tab below).

This scale is typically played over a diminished or half-diminished chord.
A feature of diminished scales is that they are symmetrical, which results in overlapping note relationships. The Bb Whole Half Diminished has the same notes as Db Whole Half Diminished, E Whole Half Diminished and G Whole Half Diminished.

Chords are not very often built from Diminished scales, but some possible chords with matching notes are:

  • Bbdim
  • Bbdim7
  • Cdim7
  • Dbdim7
  • Ebdim7
  • Edim7
  • F#dim7
  • Gdim7
  • Adim7

Although the tones in these chords correspond to the tones of the Bb Whole Half Diminished, creating progressions with these chords will seldom sound pleasant.

Related to this scale is the Bb Diminished Whole Tone scale, also called Bb Dominant Altered or Bb Super Locrian. The Diminished Whole Tone include seven notes instead of eight as in the Whole Half Diminished. Also, the intervals differ. It can be displayed as follows:

Formula Notes Intervals
1 Bb Unison
b2 B Diminished second
#2 C# Augmented second
3 D Major third
b5 E Diminished fifth
#5 F# Augmented fifth
b7 Ab Minor seventh

Start the audio and play along! Use notes from the scale in the diagram above.

Normal tempo:
Slow tempo: