Questions tagged [consonance-and-dissonance]

Dissonance is the cultural perception of two or more pitches sounded harmonically that form intervals not expected within the current musical context. These intervals typically occur higher in the harmonic series than other intervals considered to be "consonant".

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63
votes
9answers
14k views

Is there a way to measure the consonance or dissonance of a chord?

I know that if I played C and B together they would be very dissonant compared to if I played a G or C one octave up. Is there a quantitative way to describe that sort dissonance? Edit: I understand ...
9
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1answer
455 views

Dissonance: why doesn't the roughness curve have a dip for complex intervals like 7/6?

Roughness is explained well in Is there a way to measure the consonance or dissonance of a chord? In particular the Plomp-Levelt curve is derived, which has various dips showing how simple intervals (...
6
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4answers
9k views

What is the list of intervals in order of dissonance

I understand that some intervals are considered dissonant (minor second) and some intervals and consonant (perfect fourths). However whenever I see intervals listed, they are always listed from ...
17
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6answers
1k views

avoiding thirds at lower frequencies

From Plomp & Levelt 1965, Tonal Consonance and Critical Bandwidth: "The critical frequency is lower for more consonant intervals. This behavior reflects the musical practice to avoid thirds at low ...
4
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2answers
379 views

What causes consonance in music?

I am trying to understand why certain pitches or notes sound pleasant together and others doesn't. So far my understanding is that simpler ratios between the frequencies of the notes means they are ...
4
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2answers
296 views

Perfect 4th is dissonant?

Why is the perfect fourth dissonant in some cases when it does not sound dissonant? When I play it in closed position, it does not sound dissonant at all. When I play it as a compound interval, I ...
12
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4answers
787 views

Dissonance across different octaves

When I play to keys that form a dissonant interval (for example a major second using C and D) in the lower octave, I perceive the dissonance to be very strong. But, when I move up to higher C's and D'...
0
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4answers
162 views

Just Intonation > Equal Temperament “Consonance and Dissonance”?

So for months now I'm becoming increasingly frustrated with this Just Intonation versus Equal Temperament, so maybe with this question we can nip it in the bud. If we could refrain from "complex ...
20
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7answers
5k views

Is there a known point in history where dissonance became acceptable?

So, I'm not a scholar of music history, but I have a basic timeline. The evolution of Western music theory had several times in which certain chords and intervals were considered too "jarring" or "...
5
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1answer
156 views

Consonance/Dissonance of 5th according to the explanation of 4th

The consonance of the 4th interval depends on the context, as several music theory sources describe. Why isn't that idea generalized to all intervals? Let me illustrate this comparing what I have in ...
5
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4answers
380 views

Tritone or Minor 2nd as the most dissonant interval?

I'm trying to establish which interval is more dissonant, the tritone or the minor 2nd. Both are obviously very dissonant intervals. Math seems to prove that a minor 2nd should sound more consonant ...
5
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4answers
800 views

Why is a Perfect Fourth Considered Consonant? [duplicate]

I've been doing some research into the harmonic series lately. What I've come to understand is that the lower the ratio between the harmonics, the more pleasant/consonant the interval is. So, an ...
4
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3answers
224 views

How can stepwise movement be concordant?

I am learning rules of counterpoint. One of the rules states: Do not make stepwise concordant movements longer than a fifth. As far as I understand stepwise movement is either 2nd minor or second ...