## Naming Intervals

The very first step in specify name the interval is to find the distance in between the note **as they space written on the staff**. Count every line and also every an are in between the notes, and the currently or spaces the the notes space on. This gives you the number for the interval.

You are watching: Distance in pitch between any two tones

Example 1:

**Counting Intervals**

To uncover the interval, counting the currently or spaces that the 2 notes are on as well as all the currently or spaces in between. The interval in between B and also D is a third. The interval in between A and also F is a sixth. Note that, at this stage, vital signature, clef, and also accidentals do not issue at all.

The simple intervals room one octave or smaller.

**Simple Intervals**

If you choose you deserve to listen to each interval as written in number 4: prime, second, third, fourth, fifth, sixth, seventh, octave.

Compound intervals are bigger than one octave.

**Compound Intervals**

**Solution**

Exercise 2:

Write a note that will give the called interval.

Figure \(\PageIndex6\):**Solution**

## Classifying Intervals

So far, the actual distance, in half-steps, between the two notes has not mattered. However a 3rd made up of 3 half-steps sounds various from a 3rd made increase of 4 half-steps. And also a fifth made up of 7 half-steps sounds very different from one of only six half-steps. Therefore in the second step of identifying an interval, clef, an essential signature, and also accidentals become important.

Figure \(\PageIndex8\): : A to C natural and A to C sharp room both thirds, yet A come C spicy is a bigger interval, v a various sound. The difference in between the intervals A to E natural and also A come E level is even an ext noticeable.Listen to the distinctions in the thirds and also the fifths in number 8.

So the second step to specify name an interval is come classify it based on the number of fifty percent steps in the interval. Familiarity v the chromatic scale is crucial to carry out this accurately.

### Perfect Intervals

Primes, octaves, fourths, and also fifths have the right to be perfect intervals.

What provides these specific intervals perfect? The physics of sound tide (acoustics) shows us the the note of a perfect term are an extremely closely pertained to each other. (For more information ~ above this, see Frequency, Wavelength, and also Pitch and also Harmonic Series.) due to the fact that they room so carefully related, lock sound particularly great together, a truth that has been noticed due to the fact that at the very least the times of classical Greece, and probably also longer. (Both the octave and the perfect 5th have significant positions in many of the world"s musical traditions.) because they sound so carefully related to each other, they have actually been provided the surname "perfect" intervals.

A perfect element is also called a unison. The is 2 notes that room the same pitch. A perfect octave is the "same" note an octave - 12 half-steps - higher or lower. A perfect 5th is 7 half-steps. A perfect fourth is 5 half-steps.

Example 2:

**Perfect Intervals**

Listen come the minor second, significant second, minor third, major third, young sixth, significant sixth, young seventh, and significant seventh.

Exercise 3:

Give the finish name for each interval.

Figure \(\PageIndex11\):**Solution**

Exercise 4:

Fill in the second note of the expression given.

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To discover the reverse of an interval

To name the brand-new interval, subtract the name of the old interval from 9.The reverse of a perfect expression is quiet perfect.The inversion of a major interval is minor, and also of a minor interval is major.The turning back of an augmented expression is diminished and of a decreased interval is augmented.Example 5: