Here is a quick guide to chords in the key of B major.
| 1st | 2nd | 3rd | 4th | 5th | 6th | 7th |
|---|---|---|---|---|---|---|
| Major | Minor | Minor | Major | Major | Minor | Dim |
| I | ii | iii | IV | V | vi | viiº |
| B | C#m | D#m | E | F# | G#m | A#º |
The notes of a B major scale are:
| 1st | 2nd | 3rd | 4th | 5th | 6th | 7th |
| B | C# | D# | E | F# | G# | A# |
Major Scale Formula
The scale notes above follow the 'major' scale formula of 'steps':
WHOLE – WHOLE – HALF – WHOLE – WHOLE – WHOLE – HALF
Or 'tones':
TONE – TONE – SEMITONE – TONE – TONE – TONE – SEMITONE
Or even frets:
Two Frets – Two Frets – One Fret – Two Frets – Two Frets – Two Frets – One Fret
Which gives us the following interval relationships from the tonic (1st note):
- Unison
- Major 2nd
- Major 3rd
- Perfect 4th
- Perfect 5th
- Major 6th
- Major 7th
- Octave
The notes of each chord in B major
All the chords in the key of B major are made up of notes from the B major scale.
| B major | Bb | D# | F# |
| C# minor | D | F | A |
| D# minor | E | G | B |
| E major | F | A | C |
| F# major | G | B | D |
| G# minor | A | C | E |
| A# diminished | B | D | F |
The relative minor scale of B major is G# minor, which comes from the 6th note of the Bb major scale.
