pianissimo
Pianissimo is a dynamic marking in music notation indicating a very soft volume. It is abbreviated as pp and is the Italian for "very soft." In scores, it directs performers to produce a quiet, delicate sound rather than a loud one. The exact level of softness depends on the instrument, the acoustics of the performance space, and the interpretive choices of the musician.
On the piano, pianissimo is often achieved with a light touch and restrained pedaling, producing a gentle,
History and usage: Dynamic markings such as pp were standardized during the Baroque and Classical periods and
See also: piano, mezzo-forte, fortissimo, crescendo, decrescendo.