Suspended chord
A suspended chord (or sus chord) is a musical chord in which the (major or minor) third is omitted and replaced with a perfect fourth or a major second. The lack of a minor or a major third in the chord creates an open sound, while the dissonance between the fourth and fifth or second and root creates tension. When using popular-music symbols, they are indicated by the symbols "sus4" and "sus2". For example, the suspended fourth and second chords built on C (C–E–G), written as Csus4 and Csus2, have pitches C–F-G and C–D-G, respectively.
| Component intervals from root | |
|---|---|
| perfect fifth | |
| perfect fourth | |
| root | |
| Tuning | |
| 6:8:9 | |
| Forte no. / | |
| 3-9 / |
| Component intervals from root | |
|---|---|
| perfect fifth | |
| major second | |
| root | |
| Tuning | |
| 8:9:12 | |
| Forte no. / | |
| 3-9 / |
Suspended fourth and second chords can be represented by the integer notation {0, 5, 7} and {0, 2, 7}, respectively.
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