The expression fortepiano (sometimes called forte piano) is a sudden
dynamic
Dynamics (from Greek δυναμικός ''dynamikos'' "powerful", from δύναμις ''dynamis'' "power") or dynamic may refer to:
Physics and engineering
* Dynamics (mechanics)
** Aerodynamics, the study of the motion of air
** Analytical dynam ...
change used in a
musical score, usually with the abbreviation , to designate a section of music in which the music should be played loudly (''forte''), then immediately softly (''piano'').
[Collins Encyclopedia of Music Page 217] It is not unusual for it to be followed by a crescendo, a gradual increase in dynamics. The word is of
Italian
Italian(s) may refer to:
* Anything of, from, or related to the people of Italy over the centuries
** Italians, an ethnic group or simply a citizen of the Italian Republic or Italian Kingdom
** Italian language, a Romance language
*** Regional Ita ...
etymology literally translated as 'loudsoft'.
Examples
Beethoven's
Piano Sonata No. 8 begins with a ''fortepiano'':
References
{{music-theory-stub
Musical notation