Acorde Sol♭ Menor Novena Mayor en piano
Composición del acorde
| I | ♭III | V | VII | IX |
| Fundamental | Tercera menor | Quinta justa | Séptima mayor | Novena mayor |
| Sol♭ | La | Re♭ | Fa | La♭ |
| I | ♭III | V | VII | IX |
| Fundamental | Tercera menor | Quinta justa | Séptima mayor | Novena mayor |
| Sol♭ | La | Re♭ | Fa | La♭ |