Suspended 4th chord (sus4): formula 1 4 5. The 3rd replaced by the 4th: a tension that classically resolves down to the 3rd.
Made of2
Degrees2
Contains & part of12
Scale types that contain it12
- BluesIsus4 IVsus4 ♭VIIsus4
- DorianIsus4 IIsus4 IVsus4 Vsus4 ♭VIIsus4
- Major (Ionian)Isus4 IIsus4 IIIsus4 Vsus4 VIsus4
- Major pentatonicIIsus4 Vsus4 VIsus4
- Minor pentatonicIsus4 IVsus4 ♭VIIsus4
- MixolydianIsus4 IIsus4 IVsus4 Vsus4 VIsus4
- Natural minor (Aeolian)Isus4 ♭IIIsus4 IVsus4 Vsus4 ♭VIIsus4
- Harmonic minorIsus4 Vsus4