Chord Progressions in B♭ Major
The key of B♭ Major is built on the B♭ Major scale: B♭, C, D, E♭, F, G, A. Its diatonic chords give you everything you need to harmonize a melody — three majors (I, IV, V), three minors (ii, iii, vi), and one diminished (vii°). Most pop, rock, and folk songs in this key never venture outside this set.
The diatonic chords of B♭ Major
The seven chords built from the B♭ Major scale.
Common progressions in B♭ Major
Pop axis in B♭ Major
I – V – vi – IV
The most common four-chord progression in popular music.
50s progression in B♭ Major
I – vi – IV – V
Doo-wop and early rock and roll. Stand By Me, Earth Angel.
ii–V–I in B♭ Major
ii – V – I
The jazz cadence — works equally well in pop choruses.
Three-chord rock in B♭ Major
I – IV – V
Blues, country, rock and roll — all built on this triad.
Relative key
B♭ Major shares the same notes as its relative minor, G Minor. You can borrow chords freely between the two.
Generate progressions in B♭ Major
ChordGen builds custom progressions in any key. Just describe the mood — the AI handles the music theory.
Generate B♭ Major progressions