Rinforzando

Rinforzando, abbreviated "rfz" or "rf," indicates a sudden reinforcement of volume, similar to sforzandoSforzandoSudden strong accentView full entry → but often applied over a slightly longer passage rather than a single note. It literally means "reinforcing" and adds urgency or emphasis to a musical phrasePhraseA complete musical thought, analogous to a sentence in spoken language.View full entry →.