Which term signifies a very slow tempo in music?

The term that signifies a very slow tempo in music is, in fact, "Largo." This term indicates a slow and broad pace, typically slower than "Adagio." In musical terminology, phrases like "Largo," "Adagio," and "Andante" are used to describe the speed of a piece, with "Largo" representing one of the slowest settings among them.

To provide some context, "Adagio" also denotes a slow tempo but is generally understood to be slightly faster than "Largo." "Andante" translates to a moderate tempo, akin to walking speed, while "Allegro" signifies a fast, lively pace.

Understanding these terms is essential for performers and composers because they convey emotional nuances and pacing within a piece of music. Each term helps to set the mood and affect how the music is interpreted and played.