Bbsus4

Bbsus4 is Bb, Eb and F, a suspended fourth. The shape this page opens on is written x13341, lowest string first.

Also written Bbsus or Bb suspended 4th. The same chord either way; which spelling you meet depends on who wrote the chart.

There are 6 common shapes for Bbsus4 on the guitar, and 47 derived voicings in the triad family.

In which keys. Every note of Bbsus4 belongs to C minor (the ♭VII), C# major (the vi), Eb major (the V), Eb minor (the v), F minor (the iv), F# major (the iii), G minor (the ♭III), Ab major (the ii), Bb major (the I) and Bb minor (the i).

The common shapes, written lowest string first: x13341, 6x3346, xx3346, 688866, x-x-8-10-11-11, x-13-13-10-11-x.

Triad. Three notes across one string set. Bbsus4 has 111xxx, 1113xx, xx334x, xx886x, xxx866, xx8866, 6888xx, x6886x.

The common shapes and the derived voicings come from different places, and both are explained in where the chords and the theory come from.