AP Music Theory Test Prep / Course / Chapter

What are Quarter Notes and Eighth Notes?

Kenli Doss, Liz Diamond-Manlusoc
  • Author
    Kenli Doss

    Kenli Doss has years of experience teaching acting, writing, and drama. She has a BA in English and a BA in Drama from Jacksonville State University. She also has more than five years' experience as a tutor in subjects like English, Science, and Math.

  • Instructor
    Liz Diamond-Manlusoc

    Liz has taught music for K-12 and beyond. She holds a master's degree in Education Media and Design Technology.

Learn how many beats are in quarter notes and eighth notes, as well as what those two notes look like. Also learn what quarter and eighth rests look like. Updated: 07/09/2021

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Frequently Asked Questions

How many beats is a sixteenth note?

One sixteenth note is a fourth of a beat, represented by a quarter note. This also means that one sixteenth note is one-sixteenth the length of a whole note.

How many beats is a quarter note in 2 2?

In a time signature of 2/2, one quarter note represents half a beat. This is because 2/2 represents "cut time," meaning all notes' values are cut in half.

What are the basic notes?

The basic notes from longest to shortest duration are the whole note, half note, quarter note, eighth note, and sixteenth note.

There are four basic kinds of notes in music.

  • the whole note
  • the quarter note
  • the eighth note
  • the sixteenth note

While these are not the only notes in existence, they are the four simplest and most commonly used. A single note represents one unit of rhythm.

Rhythm

Rhythm is the beat or sound made to create music. Similar to the way in which a shirt cannot exist without thread, music cannot exist without rhythm. Any time a drumstick beats a surface or a musician takes a breath during a rest, rhythm is present. This means that rhythm can be the notes played by an instrument, the beat of a drum, or the silence heard when a rest takes place. All of this makes up rhythm, which, in turn, makes up a musical composition.

Composers can use different types of notes to add interest to the rhythm of a piece. Following the time signature, notes and rests can all be used to create a unique rhythm associated with a certain piece of music.

How Many Beats is a Quarter Note?

Music notes are based on how many parts a whole note can be broken into. A quarter note is one-fourth the duration of a whole note. The quarter note looks like a dot with a line protruding out like a pole.


A quarter note not positioned on a staff

picture demonstration of the appearance of a quarter note


If the whole note is a ball, a beam is added to that, and it becomes a quarter note. As a general rule, a note loses half its rhythmic value any time a flag or beam shape is added to it. In contrast, a note can transform into a different note of longer duration by losing flags and beams.

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Rhythm and Pacing/Pulse

Say, have you ever wondered what it would be like to be a musician? How about a boxer? At first glance, these two lads seem to have nothing in common. Believe it or not, there are many similarities between musicians and boxers. Both use their hands, practice many hours a week, and require impeccable timing and unbeatable rhythmic combinations. Let's take a look at the basics of their practice routines through rhythm.

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  • 0:56 Whole Notes and Whole Rests
  • 2:24 Half Notes and Half Rests
  • 3:37 Quarter Notes and…
  • 5:27 Flags and Beams
  • 6:18 Eighth Notes and Eighth Rests
  • 7:52 Sixteenth Notes and…
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In music, every note played has a silent counterpart. These silences are called "rests," and they are important in a piece because they add interest and variety to the rhythm. There are four basic types of rests:

  • the whole rest
  • the half rest
  • the quarter rest
  • the eighth rest

These are not the only types of rests, but they are the most commonly used in beginner and intermediate music.

What Does a Quarter Rest Look Like?

A quarter rest resembles the letter z with a c-like tail. In a time signature of 4/4, the quarter rest lasts one beat, and it can be used to create one or more beats of silence in a measure.


A quarter rest without a staff

picture demonstrating the characteristics of a quarter rest


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In music, rhythm is broken into beats of sound or silence. There are four common type of notes in music:

  • One whole note is four beats.
  • A quarter note is one beat.
  • An eighth note is one half beat.
  • A sixteenth note is one fourth beat.

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Whole Notes and Whole Rests

Good boxers and musicians always get in pace before starting. Once the musician and boxer have found their pace, a proper warm up can take place. Each might start with breathing or playing four full counts like a whole note. The whole note is typically defined as having four full counts or lasting one whole measure. This is true in many situations, and because other notes are named according to their division of the whole note, we'll make the assumption for this lesson that the whole note is equal to four beats. Let's warm up with a whole note, boys! The whole note looks like an oval with a circle cut out of the center, kind of like an oblong doughnut.

The musician and the boxer can't spend all of their time practicing, though. Sometimes they also need a little rest. In music, a rest is a note that is silent. Rests are easy to tell apart visually from other rhythms because they are either rectangular or made of lines. The whole rest is silent and lasts one whole measure. For our case, we'll assume this is four beats. Take a rest boys, a whole rest!

Half Notes and Half Rests

OK, boys, let's pick up the pace a bit. You can see that our musician and our boxer are now warming up at a rhythm that is half the length of the whole note. This is called a half note. The half note is usually defined as having a value of two beats. If we look carefully at the half note, we can see that it looks different from the whole note. This part is called the note head, and this part is called the stem. It's important to observe that, on the half note, the center of the note head is empty. The stem can point up or down, depending where it is on the staff.

The half note is made of an empty note head and a stem
Half Note

We can have our boys vary the rhythm by adding in a half rest every now and then. The half rest is silent and lasts for two beats. It looks very much like the whole rest but is on top of the line instead of underneath. Let's see the half rest in action.

Quarter Notes and Quarter Rests

Our musician and boxer can continue to play smaller rhythms. The next smallest increment is called a quarter note. They are called quarter notes because they are 1/4 the length of a whole note. Quarter notes are often equal to one beat each. So in a case like this, they match the pulse. It's important to note that quarter notes do not always match the pace. Unlike half notes, quarter notes have a filled in note head. In fact, they kind of look like our drummer's and boxer's legs!

The silent version of the quarter note is the quarter rest, which is equal to one beat of silence or pause. The quarter rest looks like this.

Quarter rests as part of a rhythm
Quarter Rest

If we change the previous rhythm to have a quarter rest on the last beat, we get this. The beat is still there - it's just silent. Rests may seem unnecessary, but they are an important part of keeping the rhythm interesting and less predictable, which is something important for both boxers and musicians. If we really want to mix it up, we can put the rests in different places. Go boys, go!

Flags and Beams

So far, our rhythms have been pretty tame. This can be boring for the musician and makes it difficult for the boxer to win. Let's incorporate some rhythms that are smaller. Notes smaller than quarter notes have flags or beams. Beamed notes are just two or more flagged notes next to each other, like if you tied their flags at the top or bottom. Flags and beams serve the same purpose. For each additional flag or beam, the value of the note is cut smaller by half. The more flags or beams a note has, the shorter its length is. So, a note with many flags or many beams is quite short - maybe even too short for our guys!

Video Transcript

Rhythm and Pacing/Pulse

Say, have you ever wondered what it would be like to be a musician? How about a boxer? At first glance, these two lads seem to have nothing in common. Believe it or not, there are many similarities between musicians and boxers. Both use their hands, practice many hours a week, and require impeccable timing and unbeatable rhythmic combinations. Let's take a look at the basics of their practice routines through rhythm.

Whole Notes and Whole Rests

Good boxers and musicians always get in pace before starting. Once the musician and boxer have found their pace, a proper warm up can take place. Each might start with breathing or playing four full counts like a whole note. The whole note is typically defined as having four full counts or lasting one whole measure. This is true in many situations, and because other notes are named according to their division of the whole note, we'll make the assumption for this lesson that the whole note is equal to four beats. Let's warm up with a whole note, boys! The whole note looks like an oval with a circle cut out of the center, kind of like an oblong doughnut.

The musician and the boxer can't spend all of their time practicing, though. Sometimes they also need a little rest. In music, a rest is a note that is silent. Rests are easy to tell apart visually from other rhythms because they are either rectangular or made of lines. The whole rest is silent and lasts one whole measure. For our case, we'll assume this is four beats. Take a rest boys, a whole rest!

Half Notes and Half Rests

OK, boys, let's pick up the pace a bit. You can see that our musician and our boxer are now warming up at a rhythm that is half the length of the whole note. This is called a half note. The half note is usually defined as having a value of two beats. If we look carefully at the half note, we can see that it looks different from the whole note. This part is called the note head, and this part is called the stem. It's important to observe that, on the half note, the center of the note head is empty. The stem can point up or down, depending where it is on the staff.

The half note is made of an empty note head and a stem
Half Note

We can have our boys vary the rhythm by adding in a half rest every now and then. The half rest is silent and lasts for two beats. It looks very much like the whole rest but is on top of the line instead of underneath. Let's see the half rest in action.

Quarter Notes and Quarter Rests

Our musician and boxer can continue to play smaller rhythms. The next smallest increment is called a quarter note. They are called quarter notes because they are 1/4 the length of a whole note. Quarter notes are often equal to one beat each. So in a case like this, they match the pulse. It's important to note that quarter notes do not always match the pace. Unlike half notes, quarter notes have a filled in note head. In fact, they kind of look like our drummer's and boxer's legs!

The silent version of the quarter note is the quarter rest, which is equal to one beat of silence or pause. The quarter rest looks like this.

Quarter rests as part of a rhythm
Quarter Rest

If we change the previous rhythm to have a quarter rest on the last beat, we get this. The beat is still there - it's just silent. Rests may seem unnecessary, but they are an important part of keeping the rhythm interesting and less predictable, which is something important for both boxers and musicians. If we really want to mix it up, we can put the rests in different places. Go boys, go!

Flags and Beams

So far, our rhythms have been pretty tame. This can be boring for the musician and makes it difficult for the boxer to win. Let's incorporate some rhythms that are smaller. Notes smaller than quarter notes have flags or beams. Beamed notes are just two or more flagged notes next to each other, like if you tied their flags at the top or bottom. Flags and beams serve the same purpose. For each additional flag or beam, the value of the note is cut smaller by half. The more flags or beams a note has, the shorter its length is. So, a note with many flags or many beams is quite short - maybe even too short for our guys!

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