Acorde Si♭ Menor Trecena Mayor en piano
Composición del acorde
| I | ♭III | VII | IX | XI | XIII |
| Fundamental | Tercera menor | Séptima mayor | Novena mayor | Oncena justa | Trecena mayor |
| Si♭ | Re♭ | La | Do | Mi♭ | Sol |
| I | ♭III | VII | IX | XI | XIII |
| Fundamental | Tercera menor | Séptima mayor | Novena mayor | Oncena justa | Trecena mayor |
| Si♭ | Re♭ | La | Do | Mi♭ | Sol |