Previous: A Major

Chords in the key of

b♭ Major

The notes of the B♭ major scale are:

B♭ – C – D – E♭ – F – G – A

Borrowed Chords: D♭ major yoinks from C# minor

♭III iv ♭VI ♭VII
E♭ Fm A♭ B♭
E♭ major F minor A♭ major B♭ major
E♭ - G - B♭ F - A♭ - C A♭ - C - E♭ B♭ - D - F
Next: B Major

The scale’s notes are numbered from 1 to 7 using Roman numerals. Build a basic triad (1-3-5) chord on each of those seven notes and you get:

Key of B♭ major

I ii iii IV V vi vii°
B♭ Cm Dm E♭ F Gm Adim
B flat major C minor D minor E flat major F major G minor A diminished
B♭ - D - F C - E♭ - G D - F - A E♭ - G - B♭ F - A - C G - B♭ - D A - C - E♭

Quick songwriter cheat sheet: Progressions in D Major

Heavy but elegant:

Dramatic or introspective:

Like the end of a very serious film:

That’s the diatonic set. If you stay strictly inside the key, these are your friends. The pattern of naming chords for every major key is:
Major, Minor, Minor, Major, Major, Minor, Diminished. Numerals in UPPERCASE (I, IV, V) denote major chords, and numerals in lowercase (ii, iii, vi) denote minor chords.

Borrowed Chords: the very common “but actually…” part

In a lot of music, especially cinematic and dramatic styles, Db major often borrows from C# minor for colour.

This lowers the F to E, the B♭ to A, and the C to B, which creates the following changes:

The altered scale affects C major’s iii, IV, vi & vii° chords, creating the following changes:

Common extended chords you’ll hear constantly

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