The Bb Major (Ionian) Scale
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The Bb major scale — also called Bb Ionian — contains the notes Bb, C, D, Eb, F, G, and A.
- Bb
- C
- D
- Eb
- F
- G
- A
Its diatonic chords are I (Bb), ii (Cm), iii (Dm), IV (Eb), V (F), vi (Gm), and vii° (Adim).
- I Bb
- ii Cm
- iii Dm
- IV Eb
- V F
- vi Gm
- vii° Adim
The major scale — known in modal terms as Ionian — is the bright, resolved sound most Western melodies are built on. Its chords centre firmly on the tonic, giving music a settled, "home" feeling.