Fig. 1 · F major

key signature

F major

F1G2A3B♭4C5D6E7

1 flat, written B♭

relative: D minor parallel: F minor the scale

The chords that live in it

Fdegree 1 · major Gmdegree 2 · minor Amdegree 3 · minor B♭degree 4 · major Cdegree 5 · major Dmdegree 6 · minor Edimdegree 7 · diminished

Built by stacking thirds inside the scale and asking what quality comes out, rather than from a table of roman numerals.

What is true of it

F major has 1 flat.

They are written in this order, always: B♭.

Its notes are F, G, A, B♭, C, D and E.

Relative: D minor has the same 1 flat. Parallel: F minor has 4 flats, which is why changing mode changes the signature by three.

Every key

C♭ major G♭ major D♭ major A♭ major E♭ major B♭ major C major G major D major A major E major B major F♯ major C♯ major A♭ minor E♭ minor B♭ minor F minor C minor G minor D minor A minor E minor B minor F♯ minor C♯ minor G♯ minor D♯ minor A♯ minor