The key of B♭ major on guitar
B♭ C D E♭ F G A — and everything inside it.
The key of B♭ major on guitar: the scale, the chord on every degree, the seventh chords and the pentatonics — drawn above, each a tap away. The row of chips over the guitar is the key’s chords; the dropdown switches it to seventh chords or pentatonics, the shape menu draws a chord as one grip at a time, and a tap on any note finds the chords that hold it. For the why, read chords in a key.
The notes of B♭ major
B♭ major — also spelled A♯ major — is B♭ C D E♭ F G A: the major scale on B♭, seven notes, labeled 1 to 7 on the guitar above. The scale on its own, in every position, is on its page.
The chords in B♭ major
The triad on each degree, stacked from the key’s own notes; the numeral’s case is the chord’s quality. The explorer above draws the six you can rest on.
| Degree | Chord | Notes |
|---|---|---|
| I | B♭ | B♭ D F |
| ii | Cm | C E♭ G |
| iii | Dm | D F A |
| IV | E♭ | E♭ G B♭ |
| V | F | F A C |
| vi | Gm | G B♭ D |
| vii° | A° — passed through, not rested on | A C E♭ |
The seventh chords in B♭ major
One more third on each — the row on “Tetrads” above.
| Degree | Chord | Notes |
|---|---|---|
| Imaj7 | B♭maj7 | B♭ D F A |
| ii7 | Cm7 | C E♭ G B♭ |
| iii7 | Dm7 | D F A C |
| IVmaj7 | E♭maj7 | E♭ G B♭ D |
| V7 | F7 | F A C E♭ |
| vi7 | Gm7 | G B♭ D F |
| viiø7 | Am7♭5 — passed through, not rested on | A C E♭ G |
The pentatonics in B♭ major
The five-note scale on each degree that fits inside the key — major where the degree’s chord is major, minor where it is minor. The row on “Pentatonics” above.
| Degree | Scale | Notes |
|---|---|---|
| I | B♭ pent | B♭ C D F G |
| ii | Cm pent | C E♭ F G B♭ |
| iii | Dm pent | D F G A C |
| IV | E♭ pent | E♭ F G B♭ C |
| V | F pent | F G A C D |
| vi | Gm pent | G B♭ C D F |
| vii | Am pent — not in the key | A C D E G |
The same notes from another home
Relative minor: G minor; Its dorian mode: C dorian; Its phrygian mode: D phrygian; Its lydian mode: E♭ lydian; Its mixolydian mode: F mixolydian. Parallel minor, the same root with different notes: B♭ minor.