Hidden fifths

So-called hidden consecutives, also called direct or covered octaves or fifths, occur when two independent parts approach a single perfect fifth or octave by similar motion instead of oblique or contrary motion. A single fifth or octave approached this way is sometimes called an exposed fifth or exposed octave.

1. Are hidden fifths allowed?
2. What is a hidden fifth or octave?
3. Why is parallel Fifth bad?
4. What is a consecutive 5th?

Are hidden fifths allowed?

A hidden octave or hidden fifth is forbidden only if the octave or (perfect) fifth is formed by the Soprano and another voice, and that the Soprano is jumping (i.e. adjacent notes do not form a second, but is a third or further away). This is because, in such cases, hidden octaves and fifths are too conspicuous.

What is a hidden fifth or octave?

Hidden fifths (hidden octaves are the same idea, but with octaves) is when two voices move in similar motion into a fifth in the next chord. This isn't the same as parallel fifths, where they move together from one fifth to another.

Why is parallel Fifth bad?

In this style, known as the Common Practice Period, parallel fifths and octaves tend to leave a blank space, or a gap, in the musical texture (the overall sound) as if a voice has disappeared. This is why, in this context, parallel fifths are bad.

What is a consecutive 5th?

Consecutive 5ths often sneak in when there are two root position (5-3) chords next to each other. ... In the second chord, they are also a perfect fifth apart. When there are perfect 5ths in the same two parts one after the other, we call them “consecutive 5ths”.