Tempo: the speed of music — Music, 11–13 years
Tempo is the steady speed at which beats pass. You will see how beats per minute and words such as largo, andante and allegro help performers agree on pace, and how changing tempo changes a musical feeling.
What tempo means
Tempo tells you how quickly the regular beats go by. A slow tempo leaves more space between beats; a fast tempo packs them closer together. It is separate from rhythm: rhythm is the pattern, while tempo is the speed of that pattern.
Why musicians need tempo
When people play together, each person could naturally move at a different speed. That makes the music drift apart, even if everyone knows the notes. A shared tempo solves this coordination problem; a conductor, metronome or drum can make the pulse clear.
Reading 120 BPM
A marking of 120 BPM means 120 beats per minute. Divide 60 seconds by 120: each beat lasts 0.5 seconds. So in 8 beats, 8 × 0.5 equals 4 seconds. If the marking changes to 60 BPM, each beat lasts 1 second, so the same 8 beats take 8 seconds.
Tempo is not volume
People often think fast music should be played loudly and slow music softly. That feels natural because marches can be fast and strong, while lullabies are often slow and gentle. But speed and loudness are separate: a quiet fast song and a loud slow song are both possible.
Tempo in everyday sound
Tempo appears in exercise playlists, dance tracks and video games, where a faster pulse can encourage action and a slower one can create calm. It also matters in marching, group exercise and spoken-word performance, because people need to coordinate movement or speech.
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