pianissimo
A dynamic marking meaning very soft. Abbreviated as pp.
In Depth
Pianissimo (pp) means very soft — significantly quieter than piano (p) and a world away from the louder dynamics. Producing a true pianissimo requires exceptional control: the sound must remain clear, present, and musical even at extremely low volume.
Playing pianissimo in an ensemble is one of the most challenging skills in music performance. Every player must reduce their volume proportionally, and any small inconsistency becomes glaringly apparent. Composers use pianissimo for moments of intimacy, mystery, or suspense — Debussy, Ravel, and Mahler all wrote extensive pianissimo passages that test the limits of an ensemble's control and listening.
Ravel's Pavane pour une infante défunte opens so quietly that in concert, audiences sometimes don't realise the piece has started until several bars in.