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E A D G B E

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Chords in Bb major

Bb major is built from the notes Bb, C, D, Eb, F, G and A. Its scale carries 2 flats. Harmonising that scale in thirds gives seven chords — 3 majors, 3 minors and 1 diminished — starting on Bb as the I. The chord on the fifth degree is F, a major V, so Bb major has the leading tone that makes a F-to-Bb cadence sound final.

Beyond those seven, Bb major commonly borrows Bbm (i), Cdim (iiø), Db (bIII), Ebm (iv) and Fm (v) from the parallel minor — the mixture chords that give a progression somewhere unexpected to go.

The seven chords

IBbBb major, open position, capo 0x10331iiCmC minor, open position, capo 0x31013iiiDmD minor, open position, capo 0xx0231IVEbEb major, position 4, capo 04frx65046VFF major, open position, capo 0133211viGmG minor, open position, capo 0310033viiøAdimA diminished, open position, capo 0x0121x

Extended to four notes each, the same seven degrees give Bbmaj7, Cm7, Dm7, Ebmaj7, F7, Gm7, Am7b5.

Borrowed chords

iBbmBb minor, open position, capo 0x13321iiøCdimC diminished, open position, capo 0x3454xbIIIDbDb major, position 4, capo 04frx46664ivEbmEb minor, open position, capo 0xx1342vFmF minor, open position, capo 0133111bVIGbGb major, open position, capo 0244322bVIIAbAb major, position 4, capo 04fr466544
Capo

Capo 3 and play G major shapes to sound Bb major.

All eight capo positions for Bb major →

Related keys

Open Bb major in the explorer →