Which term refers to a fast tempo in music?

The term that refers to a fast tempo in music is "Allegro". In musical terminology, "Allegro" indicates a lively and brisk pace, typically ranging from about 120 to 168 beats per minute. This term is often used to convey a cheerful and energetic character in a piece of music, making it suitable for a variety of musical contexts where that vibrant speed is desired.

In contrast, "Lento" refers to a slow tempo, signaling a peaceful and reflective pace. "Adagio" also denotes a slow tempo but with a slightly more graceful and expressive quality than "Lento". "Andante" indicates a moderate tempo, which is often interpreted as a walking pace, neither too fast nor too slow.

Understanding these terms and their meanings helps musicians interpret and perform music accurately, as tempo directly affects the mood and style of a piece. Knowing "Allegro" as the term for a fast tempo is essential for musicians and composers alike when specifying the desired speed of a performance.