Acorde Do# 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 |
| Do# | Mi | Do | Re# | Fa# | La# |
| I | ♭III | VII | IX | XI | XIII |
| Fundamental | Tercera menor | Séptima mayor | Novena mayor | Oncena justa | Trecena mayor |
| Do# | Mi | Do | Re# | Fa# | La# |