Inversion

In tonal music, the word inversion indicates two distinct concepts.

Musical theory

In Musical theory, the inversion of a interval is another interval forming the complement of the first in the octave.

For example, the quad is the inversion of the fifth - and conversely. In other words, the ascending interval ground-C is the inversion of the ascending interval C-ground .

Harmonize

In tonal harmony, a agreement is known as “with the state of inversion”, or “ reversed ”, when this agreement is not in a fundamental state, i.e., when its low note of is not the fundamental .

In the example below, is illustrated the three states of the major “ C, semi triad, ground ”, namely, fundamental state, first inversion, then second inversion.

First inversion

  • a first inversion is an agreement which has its third with the low .

Example: “ semi-ground-C ”

Second inversion

  • a second inversion is an agreement which has its fifth with low.

Example: “ ground-C-semi ”

Third inversion

  • a third inversion is an agreement which has its seventh with low. It is obviously about a agreement of at least four notes.

Example: “ if-C-semi-ground ”

Fourth inversion

  • a fourth inversion is an agreement which has its ninth with low. It is obviously about a Accord of five notes.

Example: “ D-if-C-semi-ground ”

See too

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