# 1.9 Intervals

Category: Harmony | Tags: Intervals |

## Theory

In this chapter you will learn about intervals. In the video, I show what intervals are and you'll learn the names of the 7 most important intervals. You are going to practice these names. In Ear training, you will hear how these 7 intervals sound.

### 1. What is an interval?

When you make music, you play tones with different pitches. Regardless of the instrument you play - whether you play notes in sequence or at the same time, you play tones of higher and lower pitch. The difference between a higher and a lower tone is called an interval.

**An interval measures the distance between two notes.**

Therefore, intervals are always made up of 2 tones. For example, if you play 3 tones, that is not called an interval.

The easiest way to determine the distance between 2 tones is to count the white keys on the piano. Count from the lowest to the highest white key to determine the number of that distance. Note: the lowest key is '1' ! Below, you can see an example of an interval with a distance of 5.

### 2. What are the names of the intervals?

If you can count the distance between 2 tones, then you will know its name! The names of intervals are numbers.

There are 7 important common intervals. These are:

**second**, interval of 2 steps**third**, interval of 3 steps**fourth**, interval of 4 steps**fifth**, interval of 5 steps**sixth**, interval of 6 steps**seventh**, interval of 7 steps**octave**, interval of 8 steps

### Video

### Examples

What are the names of the intervals?

## 3. Practise

Harmony exercise 1b: practise the names of the intervals.

## 4. Ear training

Listen to the sound of the intervals.

The second C D

The third C E

The fourth C F

The fifth C G

The sixth C A

The seventh C B

The octave C C