Grade 5 Music Theory, Unit 4, Lesson 3 of 6
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Compound intervals, 9th to 15th

Music theory, Intervals, 4 minutes

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An interval of more than an octave is compound: from the 9th, a compound 2nd, to the 15th, a compound octave. Take away 7 to find the simple interval.

Take away 7

A 10th, a 12th and a 15th above C

An interval of more than an octave is a compound interval. Use the full number, or say compound with the simple interval. Take away 7 for the simple interval: a 10th is a compound 3rd, a 12th a compound 5th, a 15th a compound octave.

Quick check

What is the simple equivalent of a 13th?

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