Only for the record, there must have been some issues in the English transposition, in Italian those are: f - forte ff - fortissimo fff - fortissimissimo ff

Only for the record, there must have been some issues in the English transposition, in Italian those are: f - forte ff - fortissimo fff - fortissimissimo ffff - fortissimissimissimo https://it.wikipedia.org/wiki/Dinamica_(musica)#Segni_dinamici_principali https://it.wikipedia.org/wiki/Dinamica_(musica)#Segni_dinami... (not that I know anything on music, fortississimo and fortissississimo didn't sound right to me and looked for them)