What is beat in music?
Beat is the basic unit of time and rhythm in music. You can think of the beat as the steady pulse you feel in a song that makes you want to tap your foot or bob your head along with the music. The beat is what gives a song its sense of rhythmic motion through time.
When you listen closely, you’ll notice the beat is like the heartbeat of a song. It’s always there in the background, even if you don’t always pay direct attention to it. The instruments, melodies, and other elements of the song revolve around this consistent beat.
Beats are grouped into measures
In most songs, beats are bundled together in groups of 2, 3 or 4 to form what’s called a measure or bar. Each measure contains a specific number of beats. The first beat of each measure is usually emphasized or accented.
Let’s say a song has 4 beats per measure. As you listen, you’d count the beats as “ONE-two-three-four, ONE-two-three-four” and so on, with an emphasis on the “ONE” that starts each new measure. This gives the rhythm a recurring pattern.
Tempo: The speed of the beat
How fast or slow the beats go by is known as the tempo. Tempo refers to the number of beats per minute (BPM) in a song. A higher BPM means there are more beats per minute, so the song has a fast, lively tempo. A lower BPM means fewer beats per minute and a slower tempo.
For example, a relaxed song might have a tempo around 60-80 BPM. An energetic dance track could be 120-140 BPM or even higher. The tempo stays consistent throughout most songs, though some may speed up or slow down for creative effect.
Tempo helps define the feel of a song
The tempo plays a big part in the overall mood and energy of a song. A slow tempo can make a song feel laid-back, thoughtful, or even sad. A medium tempo allows the song to groove and flow steadily.
Push the tempo higher and the song becomes upbeat, exciting, and makes people want to move. Really fast tempos can feel frantic or suspenseful. So the speed of the beat influences how the song makes you feel.
Different levels of the beat
While the main beat pulses steadily throughout a song, other aspects of the song often emphasize beats at different levels to add rhythmic interest. It’s like each instrument has its own rhythmic part to play that works with the main beat.
Backbeat
Many styles of popular music emphasize the backbeat, which is beats 2 and 4 in a 4-beat measure. You’ll often hear the snare drum playing the backbeat in rock and pop songs. This offsets the usual emphasis on beats 1 and 3 in interesting ways.
Subdivisions
The space between each beat can also be divided up into smaller increments known as subdivisions. These faster rhythms cut each beat into two (eighth notes), three (triplets), four (16th notes) or even smaller fragments.
Subdivisions allow rhythms to be more complex and add variety over the basic pulse of the beat. Faster Subdivisions create more energetic and driving rhythms. Slower ones leave more space between the beats.
Syncopation
Another way to create rhythmic interest is through syncopation, which is when rhythms intentionally fall before or after the beats in surprising ways. Syncopation makes the music sound more lively and propels it forward by playing off the steady beat.
Beat in different musical styles
How the beat is used varies quite a bit across different genres and styles of music. The way the beat is structured and emphasized contributes to the signature sound of each style.
Four on the floor
A classic example is the “four on the floor” beat in electronic dance music styles like house, techno, and disco. The bass drum pounds out a steady beat on every single beat of a 4-beat measure. This creates an insistent, driving pulse that is great for dancing.
Shuffle and swing rhythms
In styles like jazz and blues, the beat often has more of a shuffle or swing feel, where beats are unevenly subdivided to create a “long-short” rhythmic pattern. This gives the beat a looser, bouncy groove compared to a straightforward pulse.
Hip hop rhythms
In Hip hop, the rhythms tend to emphasize the backbeat and use syncopation to create more complex rhythmic interplay between the vocals and instrumentals. The beat is often created from percussive samples and drum machine Subdivisions which are then manipulated and layered in creative ways.
There are so many other examples of how beats work across musical genres. From reggae to samba to metal – they each have their own approaches to rhythm that give them a unique feel. But in all cases, the beat remains the core element that ties the music together.
Beats, rhythm, and groove
The beat, rhythm, and groove are closely related and work together, but are slightly different. The beat is the most basic repeating pulse. The rhythms are all the more complex patterns that happen over the course of the beat. And the groove is the overall rhythmic feel that results from how all the rhythmic elements interact.
You could think of it like the beat is the foundation, the rhythms are the structure built on top, and the groove is the feeling you get when you inhabit that musical space. When the beats, rhythms, and groove all lock together just right, it creates a really good feel that is more than the sum of the parts.
Locking into the groove
As a listener, your body naturally wants to synchronize with the beat and groove. Maybe you instinctively tap your toe to the beat. Or you start nodding your head or swaying to the music. At a certain point, you feel like you are locking into the groove and riding the beat.
This feeling emerges from the steady pulse of the beat working together with the rhythms and groove. The music takes on a satisfying momentum and flow. Each beat feels perfectly placed and just pulls you along to the next one. You’re in the pocket; the place where the beat and rhythm just make sense and everything flows.
Beats in live performance
In a live band setting, the musicians all have to listen closely to lock into a shared beat together. Each instrument contributes its own rhythms, but they have to align with the overall beat and groove or things sound messy. The beat is the common reference that keeps everyone in time.
The drummer or percussionist often serves as the primary keeper of the beat, providing that core pulse that anchors the group. Some bands also use a metronome or click track to maintain a precise tempo, especially when playing with pre-recorded tracks. But there has to be some human feel and flexibility too.
Beat is not always perfectly quantized and mechanical, especially in live music. The tempo may drift slightly or rhythms may intentionally lag behind or push ahead for expressive effect. But the underlying heartbeat remains steady enough to hold things together musically. Going with the ebb and flow of the beat is part of what makes live music engaging.
Beats in electronic music
In electronic music, beats are often programmed using drum machines, sequencers, and software. This allows for extremely precise control over the beats, rhythms, and subdivisions. The beats can be edited to remove any human imperfections and align everything to a perfect grid.
Producers spend a lot of time crafting the various layers of beats and rhythms in electronic compositions. The beat programming is a central focus and each individual drum sound is carefully sculpted. Putting together a beat pattern is like a science, piecing together all these perfect puzzle pieces of rhythm.
At the same time, many producers will intentionally add slight imperfections to programmed beats to give them a more organic, human feel. They may slightly adjust the timing and velocity of certain hits or use samples of live drums to keep things from sounding too rigid and robotic. Because beat is the foundation everything else is built on.