What Is A Measure in Music?

You may have heard about the measure in music many times. But still, you aren’t quite sure what it actually means, right? Luckily, you are in the right place. So, what is a measure?

It is just like a big wall of text is divided in writing, into smaller short sentence paragraphs for easy readability. Let’s dive in deeper and learn more about the measure in music theory.

What Is A Measure in Music - Bars Explained
What Is A Measure in Music – Bars Explained

What is a Measure?

The term “measure” refers to the unit of time that musicians use when they writing music down their compositions and play them on instruments such as pianos or guitars.

The word comes from the Latin mensura meaning measurement. Musicians have been using measures for centuries because it makes sense to divide up long pieces into units of time so that people can easily read them and understand where one section ends and another begins.

What is a Measure?

In simple words, you can think of a measure in music theory just like a container that contains a certain number of beats. And the number of beats a measure will have depends on the time signature.

The most common time signature is 4/4. And looking at the time signature:

  • The upper number denotes the number of beats that are there in a single measure. 
  • Whereas, the lower number explains what type of notes those beats are.

In the case of 4/4, there will be four quarter notes in a measure.

How Do Musical Measures Work?

On the musical staff, a measure is denoted by each section enclosed between two bar lines. The musician reads the sheet from left to right and keeps on playing the notes sequentially as they appear.

Now to understand how the measures work, how it is counted, you need to focus first on the time signature. Seeing it you will get an idea of how many and what type of notes will be there in each measure.

You also need to have at least some basic ideas about the notes and their types.

For example, in a 4/4 time signature, the name of the notes will give you an idea of how much of a measure they will take.

Let’s say there’s a whole note. Then a whole note will take up the whole measure but a half note will only take half of the measure.

Quarter notes take up a quarter of a measure. However, an Eight note will take up the one-eighth of a measure. Like that it’s a basic fraction which you might know already.

What is An Example of Measure in Music?

To understand the measure in music, let’s say there’s a time signature of 2/4 in a section of sheet music.

Then the corresponding measure will exactly have 2 beats in a measure and the note will be a quarter note.

If it was 4/4 then you would have counted like 1-2-3-4. But here since there will be only 2 beats in a measure you would have to use the same pace but count 1-2, 1-2.

Let’s take an example of 3/4, then what does it mean? Yes, 3 beats in each measure, and the type of notes will be a quarter note.

Do you know the Waltz? It is danced in this rhythm. So you can find a song that is designed as a waltz and that may help you understand the concept more effectively.

How Many Bars Are In a Measure?

Always remember, bars and measures are the same things

According to Wikipedia, the word Bar is more common in British English whereas the word Measure is more common in American English. However, musicians usually understand both expressions.

In American English, the correct use of a bar only means vertical lines. Whereas, the measure means the beats contained within the bars. Internationally, it is equally correct to speak about bar numbers and measure numbers.

The actual origin of the word Bar is from the vertical lines that are drawn through the staff to mark the units.

In British English, the vertical bar lines are also called bars, however, to make things clear it is said to be as the bar line.

Types of Bar Lines

Bar Line Type:Denotes:
Single Bar LineEnd Of A Measure
Double Bar LineEnd Of A Section
End Bar LineEnd Of The Music
Start RepeatFirst Measure Of a Repeated Section
End RepeatFinal Measure Of A Repeated Section
Types Of Bar Lines

#1. Single Bar Line

A Single Bar Line is used to denote the end of a measure (or a bar).

#2. Double Bar Line

When two single bar lines are drawn close together then it is called double bar line and it is used to denote the end of one section and the start of another.

#3. End Bar Line

An end Bar Line simply denotes the end of the song. Two vertical lines are drawn out of which the second line is thicker than the first line.

#4. Start Repeat

The Start Repeat symbol is used to indicate the first measure of a repeat section. It is represented by drawing a double bar line out of which the first one is drawn thicker than the second and it is followed by two dots.

#5. End Repeat

The End Repeat symbol is used to denote the final measure of a repeated section. It is represented by drawing double bar lines in which the second one is thicker than the first one and it is preceded by two dots.

How Long Is A Measure In Music?

The length of a measure depends on the time signature assigned to it. For example, if the section in a musical staff has 3/4 then it means in each corresponding measure there will be 3 beats and the note type will be a quarter note.

Introducing Measures & Bars

 If you were playing along with a song using your keyboard’s MIDI output, then the duration of a measure could vary depending on which key was being pressed. However, most songs will use measures of 4/4 for their tempo.

Barlines help musicians keep track of where they are in composition. They divide up the space between notes so that different instruments play simultaneously without clashing against each other. Musicians often refer to these spaces as “bars” even though technically speaking, they’re called “measures”.

What Are Time Signatures?

The most common way for musicians to divide up musical passages in their compositions is through the use of time signatures.

Time signature refers to how many notes there are per beat. For example, 4/4 means four quarter notes per beat, 3/8 means three eighth notes per beat, etc.

In general, the larger the number after the slash, the faster the tempo will sound when playing the song. However, some songs may have different tempos depending on which instrument plays them.

For instance, an organist might play a slow version of “Amazing Grace” while a pianist would play a fast version of the same tune. If both versions were played at the same speed, then the piano rendition would be twice as long as the organs. But since the piano player was going twice as fast, he’d need more than twice as much time to get through his performance.

If we wanted to make sure our performances matched exactly, we could write out all the measures so that every single part played the exact same amount of time. That’s why composers often include a metronome mark at the start of a composition. It helps keep everyone else on track.

Summary of Musical Measures

A musical measure is a basic unit for counting and measuring time within a piece of music. It’s also called a “bar”. A measure is a specific section of the musical staff in simple words which contains a certain number of beats and its length depends on its time signature. 

We hope you now have a clear understanding of what a measure is, and all the concepts related to it.

Now what? Hop on your desk, take your music sheet and try to read and apply all the knowledge you gained reading this post.

Related: How to Make Beats

Mark V. at Hip Hop Makers

Written By Mark V.

Hip Hop Makers is a music production website that launched in 2008 to teach music lovers how to make music, sell beats, and make money from music.

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