Intervals

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What is an Interval?

Name of Intervals

Interval Quality

Seconds

Thirds

Fourths

Fifths

Sixths

Sevenths

Interval Constructor

Identification and Construction

Geometric Interval Constructor

Other Tutorials:

Reading Music

Scales

Chords

Harmonic Functions

Musical Forms

Related Exercises:

Intervals Ear Training

Interval Construction

Interval Identification

Interval Quality

Yet, not all intervals of the same numerical classification are of the same size. That is why we need to specify the quality by finding the exact number of whole and half steps in the interval.

From any piano key to the next we have a half step:

Half-steps

Some seconds have 2 half steps or a whole step and some seconds have 1 half step. In the following example the second from C to D has a whole step while the one from B to C has only a half step:

 

Major and minor seconds

The same thing happens with other intervals. That is why we need to specify the quality of the interval by finding the exact number of whole and half steps.

 

© 2011 J. Rodríguez Alvira

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13.11.05

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