mezzopiano
Mezzopiano, abbreviated mp, is a dynamic marking in Western music notation indicating a moderately soft volume. The term is Italian for mezzo piano ("half soft"), placed in scores to guide performers between piano (p) and mezzo-forte (mf).
Interpretation: It signals a gentle, subdued sound; not as quiet as piano, but softer than mf. It
Notation and usage: mp may appear as the abbreviation mp or the full term mezzo-piano; sometimes hyphenated
History and context: The use of dynamic markings such as mp became prominent in the Classical era