Tempo in music refers to the speed or pace of a given piece of music, and it is measured in beats per minute (BPM) . It is an essential element of music because it sets the mood and energy of the song, and it can make a song sound upbeat, energetic, or slow and mellow. The tempo of a piece of music is usually indicated with an instruction at the start of the piece, often using conventional Italian terms, and it may be supplemented or replaced by a "metronome mark" in BPM.
While tempo is an important aspect of music, it should not be confused with other musical elements such as articulation and meter, which may be indicated along with tempo. Additionally, the ability to hold a steady tempo is a vital skill for a musical performer, but tempo is changeable depending on the genre of a piece of music and the performers interpretation. A piece may be played with slight tempo rubato or drastic variances.
In summary, tempo is a crucial aspect of music that sets the pace and mood of a piece, and it is measured in beats per minute. It is usually indicated with an instruction at the start of a piece, and it can be changed depending on the genre of the music and the performer's interpretation.