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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7
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3answers
124 views

Why are there particular “rules” for using triads in second inversion but not for using seventh chords in second inversion?

In the Classical style, there are three correct uses of the six-four triad (or sometimes four; see When, if ever, are arpeggiated six-four chords really "real"?). The logic is that the ...
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3answers
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Does tonality require consonance?

It seems like tonality and consonance go hand in hand, but I’m still unsure if consonance is necessary to establish a tonal center, or if consonance is just the preferred sound against a tonal center. ...
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3answers
79 views

Do major seventh chord usually put the major seventh above the root?

It's been noted on this forum that dominant ninth chords normally have the ninth above the root. Is that same true for the major seventh of a major seventh chord? I've tried playing lots of ...
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1answer
32 views

How important is consonance/dissonance in suspensions?

It’s difficult for me to really hear any (harmonic) consonance or dissonance value when two notes are heard at the same time, but do NOT begin at the same time. As a listener, I find myself more drawn ...
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4answers
317 views

Is the bottom note of an interval favored?

I was practicing counterpoint (2nd species) and decided to experiment with ending on a perfect 5th except the top line was a C and the bottom an F. I know this isn't technically allowed in 2nd species,...
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108 views

How do you approach consonance/dissonance when making music?

I used to think it was absurd to think of consonance/dissonance as anything but an objective measurement, but after doing more research and reading posts like this How does the harmonic series affect ...
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4answers
72 views

Simple ratios create harmonious frequencies?

I’m trying to wrap my head around consonance and dissonance in terms of the harmonic series. From what I understand, the value of having simple ratios is not because they are ‘simple’, but because the ...
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5answers
244 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 ...
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1answer
39 views

What is meant by a 'simple' frequency ratio?

For the most part, I understand the application of simple ratios when determining consonance/dissonance, but I still don’t really know what makes one ratio more ‘simple’ than another. What really ...
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2answers
43 views

If you were to write a song, how would you use dissonance and consonance? [closed]

im still a newbie to this so i kinda need an answer to this
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3answers
56 views

Does dissonance create movement in counterpoint?

I’m studying first species counterpoint and trying to wrap my head around why we try not to use unisons, octaves and perfect 5ths outside of the beginning and end. I understand that unisons, octaves ...
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2answers
78 views

Am I understanding counterpoint correctly?

I’m in the midst of trying to grasp counterpoint and I’m at a bit of a stand still in terms of my understanding of it. I want to be able to go beyond memorizing the rules and really understand the ...
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4answers
144 views

How to define “simple” when considering consonance and interval ratios

My understanding is 'simple' ratios for intervals are considered acoustically consonant and this is often used to explain is considered musically consonant. So, a unison 1:1 (1.000) is simple - it's ...
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1answer
84 views

Why is the sixth sometimes considered a dissonance which needs preparation?

I'm currently reading F. A. Gore Ouseley's Treatise on Harmony, which is a nice book from which to learn common-practice harmony (from a mid-19th century perspective). However, I'm a bit baffled by ...
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1answer
126 views

Ranking Diatonic Chords by Stability [closed]

So in functional harmony there are 3 categories. Tonic, Predominant and Dominant. The following are the chord numbers that belong to each category.. Tonic = 1, 3 and 6 chords. Predominant = 2 and 4 ...
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8answers
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Does the difference in harmonic series between instruments have a significant effect on the consonance of the sound?

We all know that an instrument's timbre is uniquely determined by its harmonic series. Harmonic series are also very effective in describing whether an interval is consonant or not. For example, the ...
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2answers
104 views

Why does a sixth sound so harsh below C3? [closed]

I have noticed that a sixth, particularly a harmonic sixth, sounds very harsh when the lowest note is below C3 and especially harsh if the sixth is minor. In fact, a minor sixth below C3 sounds to my ...
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1answer
608 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 (...
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1answer
77 views

Best guide to consonance?

It is said that lower fractions = greater consonance. 3/2, The Perfect Fifth, being the smallest fraction, has the highest consonance. However it is also said that 12TET has nice fifths, because they ...
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3answers
44 views

Minor Second Chord (or Microtonal) Dissonance Exploration

I have been fooling around with some minor second dyad chords and am coming up short on what to call the resulting sounds they produce. For instance on a piano/keyboard, a chord made of middle C and ...
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2answers
282 views

Is the Tritone the most dissonant interval? [duplicate]

I have seen a lot of people say that the minor second is more dissonant than the tritone. I however don't think of it that way. Don't get me wrong, the minor second is quite dissonant but to put it ...
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4answers
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Do sine waves (pure tones) have overtones?

I was told in my music theory lessons that most sounds we hear in our everyday life contain partials which make up the timbral quality of that sound, whilst the sound musical instruments generate ...
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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 ...
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1answer
299 views

I have questions revolving around the formula of producing chord ratios?

Good day guys! Thanks to the gentleman @willross1 and others contributions, i have now discovered the formula behind turning interval ratios into chord ratios, which allows me to determine the level ...
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6answers
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Are there objective criteria for classifying consonance v. dissonance?

There has been a fair bit of to-ing and fro-ing regarding consonance and dissonance lately here. What I cannot understand is that the two terms seem to encompass rather subjective opinions. Looking ...
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3answers
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Why aren't slight imperfections in consonant intervals extremely dissonant?

In theory classes, we're taught that an interval's acoustic consonance is a function of how "simple" it is as a ratio, where "simple" means being a ratio of small integers. So a perfect fifth (3:2) is ...
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8answers
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Why are subdominants unstable?

In music theory, the subdominant is unstable and need to be resolved to the mediant. Similar resolution happens to the leading note and other notes that are not in the tonic triad. (Of course, I am ...
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4answers
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Is the tritone (A4 / d5 / DA3 / Dd6) still banned in Roman Catholic music?

The tritone is one of the most dissonant intervals in music. It is also known as the "Augmented 4th", "Diminished 5th", "Doubly Augmented 3rd" or "Doubly Diminished 6th", and it is composed of three ...
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3answers
168 views

How is dissonance created?

I was listening to a fairly obscure piece called "Rats in Spats" by the Combustion Collective and it sounds (I'm not a musician) dissonant somehow. Can the rhythm section play in a different key than ...
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1answer
54 views

what pitch(es) present in this trench whistle? [closed]

A friend bought me a replica trench whistle during the recent First World War Centenary. I'm hoping to use it as the basis for a scale or harmonic structure for a piece of music I'm working on. When ...
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4answers
3k views

A♭ major 9th chord in Bach is unexpectedly dissonant/jazzy

Measures 21-24 in Prelude VII from Bach's Well Tempered Clavier I I was looking at the Prelude VII by Bach and noticed that on the measure 23 Bach ended that phrase with a A♭ maj9 chord. I was ...
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2answers
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What can be “two horizontal intervals of equal distance and discordant” on diatonic scale?

I keep reading this set of rules for counterpoint. The rule number G5 states: If there are two horizontal intervals of equal distance and discordant, the next interval must differ. I try to ...
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3answers
252 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 ...
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2answers
418 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 ...
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4answers
863 views

Why are certain scales considered unstable?

The Locrian Mode is considered unstable - my question is what in it makes it unstable? What makes a scale stable (have better relation between the keys)?
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3answers
367 views

What makes some intervals consonant while others dissonant?

Why does an authentic cadence sound pleasing to the ear? What makes an interval "Consonant" or "Dissonant" and why are there only two categories for intervals?
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1answer
115 views

Is there a correlation between presence of harmonics and dissonance?

If one were to take a chord or scale or other harmonic structure, and amplify the volume of the overtones of each note relative to the fundamental, would the structure be perceived by audiences as ...
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4answers
785 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 ...
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4answers
2k views

Would the melodic leap of the opening phrase of Mozart's K545 be considered dissonant?

The Complete Musician by Steven Laitz states that melodic intervals larger than a fifth are considered dissonant and should be avoided. It also states that two leaps of a third are fine, provided you ...
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1answer
129 views

What technique was being used in composing this background music for a film?

At around six minutes and 40 seconds of this Youtube video, this gentleman talks about using minor and major thirds and how it was supposed to mimic the sound of a ...
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1answer
108 views

Transcribing Nutcracker suite, running into difficulties

Obviously, going from an orchestral score to a piano duet score is hard in general. But I am running into some difficulties with transposition. 2 instruments I am transposing are Bb clarinet and A ...
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1answer
98 views

Close transposition but want to avoid dissonance

So I had this idea to have a march in canon. So I would have a rhythmic cell like this: to give a march-like feeling. I have decided on 6 rhythmic cells before a note change and going up 1 note and ...
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1answer
122 views

How to overcome emotional tension with this Beethoven rondo

I never thought this would happen but it just did. The Beethoven rondo I am referring to is the one in G major, widely known as "Rage over a Lost Penny". There is a 20 measure section starting at ...
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2answers
464 views

How to properly unresolve melodies to achieve dissonance and darkness in music [closed]

I'm looking to understand music theory behind dissonance, unresolved dark music. What makes a song sound serious and not "rainbows". When writing a bassline or melodies, is it possible to achieve ...
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3answers
411 views

Classification of 9th, 11th, and 13th intervals by consonance and dissonance

An interval is classified by its consonance or dissonance: as an open consonance (unison, perfect fifth, octave), a soft consonance (major and minor third and sixth), mild dissonance (major second ...
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3answers
101 views

How to avoid dissonance when moving from Maj7 to Dom7 chord if pedal is needed to be played

I am trying to play the part where Emaj7 is followed by E7-9. The piece is Poverty "Once upon a time in America". The right hand plays the highest G# and the left hand plays E (bass), then the left ...
5
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3answers
690 views

Dissonances and harmony

When I listen to Bach, Handel or Vivaldi (especially Baroque composers) every single note seems to fit there perfectly I mean pretty consonant to their location. As I was trying to learn tonal ...
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4answers
376 views

Does melody note function change with each chord change in a certain harmonic field?

Lets say the root is G. The chord progression starts with a G minor chord (Tonic) and is in Aeolian mode. Perfect fifth of it is D. etc.. Does a chord change change the function of the original ...
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3answers
738 views

harmony - singing F note on D major chord

I am writing a piece of music where the song is in d melodic minor and there is a place where I play a D Major chord on bass F# (D/F#) and I sing for a brief moment an F note and guitar also play f ...
66
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9answers
17k 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 ...