Tristan chord
| Component intervals from root | |
|---|---|
| augmented second | |
| augmented sixth | |
| augmented fourth (tritone) | |
| root [F] | |
| Forte no. / | |
| 4–27 / |
The original Tristan chord is heard in the opening phrase of Richard Wagner's opera Tristan und Isolde as part of the leitmotif relating to Tristan. It is made up of the notes F, B, D♯, and G♯:
More generally, the term refers to any chord that consists of the same intervals: augmented fourth, augmented sixth, and augmented ninth above a bass note.