In musical terminology, “meno mosso” indicates a direction to the performer to play the indicated passage with less motion or speed. It instructs a reduction in tempo, but not necessarily a complete halt. The degree of tempo reduction is relative and subjective, often requiring the musician to interpret the composer’s intention within the context of the piece. For instance, if a section is marked “Allegro,” followed by “meno mosso,” the tempo should still be relatively quick, but noticeably slower than the preceding Allegro section.
The use of tempo markings like this allows composers to create nuanced musical phrasing and convey specific emotional states. Employing a decrease in tempo can build anticipation, emphasize a lyrical passage, or provide a moment of reflection before the music continues. Historically, such instructions became more prevalent as musical notation evolved to become more precise in the Romantic era. The relative nature of tempo indications, however, still allows for a degree of interpretive freedom within the framework provided by the composer.