Questions tagged [intervals]

For questions centered around the ideas about and classification of distances between two pitch.

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1answer
53 views

Notation for Equal Division of an Interval?

In an interview, Jacob Collier talks about microtonal voice leading (dividing a minor 3rd into 4 equal parts): June Lee notates this with a horizontal bracket and a ...
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0answers
22 views

Do keys matter? [duplicate]

(Beginner here)I made a simple melody in the piano roll of FL studio and started shifting it up one semitone at a time (keeping the intervals the same). I notice that there was no real difference in ...
2
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5answers
116 views

Learning minor scale notes on guitar

this is a basic question but I can't wrap my head around it : when you are using the interval formula for the minor scale (or any scale) how do you know if you should use flat or shaps as the ...
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3answers
90 views

Why do we use geometric Progression?

It seems what's important in the progression of the frequencies in notes is...the difference in frequency of any two notes is not the same, but the ratio between any two notes of the same distance is ...
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3answers
96 views

Pinpointing intervals: Perfect fifth or Perfect fourth?

a shower thought occurred to me and as a non-formally trained musician I wonder if someone could quell my queries regarding this. Say I have an interval, a G note followed by a C note, where the C ...
3
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2answers
141 views

Why is Eb to A# not a perfect 5th?

I read a mock question that asked if Eb to A# was a perfect 5th. I counted up 7 semitones, and concluded it was. The answer says that it’s not, but not why. Is it simply because the enharmonic ...
3
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2answers
105 views

What does it mean to play an interval “below”?

If someone tells me to play a D power chord a fifth "below", what am I to play and why?
3
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4answers
94 views

Term for conversion between different tonalities (C major to C minor, etc.)

(Inspired by this recent question:) If we theorists reserve "transposition" for shifting everything by specific intervals, like every note goes down by a minor 3rd, what do we say when someone ...
2
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3answers
171 views

How is the ninth a fifth below a fifth?

I am reading Vincent Persichetti's "Twentieth Century Harmony" and in the first chapter he mentions that The most effective support tones are the fifth and the ninth, the fifth because it's a ...
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2answers
77 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 ...
2
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3answers
103 views

Grade 5 ABRSM Music theory: Intervals in transposition

Does it matter whether the interval is diminished, minor, major or augmented in transposing THE KEY SIGNATURE? of course it is crucial in the transposition of notes but is it important in key ...
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7answers
3k views

Why is the interval between G and F in C Major a minor 7th?

I am working through a music theory workbook and one interval question is giving me trouble. The question shows a treble clef in C major with a G and F above it. I am asked to name the interval and ...
2
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1answer
74 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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4answers
1k views

Converting hertz to cents

I have encountered some unexpected results converting hertz to cents, and would like to know where the issue lies. The formulas are as entered in Excel. Cents = 1200*LOG(Hertz,2) Hertz = 2^(Cents/...
2
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1answer
51 views

Rules for Adding Specific Intervals

Is there a set of rules determining the quality after adding specific intervals? For example, m3 + M3 = P5. It seems obvious that the number of the interval is addition but minus 1 because the bottom ...
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2answers
157 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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1answer
99 views

Identify the major key as given by the key signature, as well as the interval provided [closed]

I am trying to solve some practice questions and was wondering if they are right My answers :- Key: D Major 4th Interval Key: A-Flat Major 2nd Interval Key: G-flat Major 3rd Interval Key: B-...
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4answers
159 views

Are intervals the same as chords?

So are harmonic intervals the same as chords? I understand that an interval is the difference between two notes (pitches?), and to get them you have to play these two notes simultaneously. Isn't that ...
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2answers
1k views

Mistake with Whole/Half step intervals problem

I took a beginner music theory class and there was a quiz on reading music notation. H W H W H W W W W W I got 8 of them right. I got the 4th and 10th bar wrong. I wrote it's a whole step (W) for ...
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2answers
362 views

What is the difference between diminished fifth and augmented fourth? [duplicate]

Are diminished fifth and augmented fourth the same intervals? They both consist of six semi-tones but why do they have different names?
1
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7answers
158 views

Do you need to look at keys for intervals?

Say you have a starting note that is written on B. Would you have to fill out all of the sharps that the key of B has to find out the interval? Like if you had one note on B and the other was on D ...
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1answer
70 views

How long before dissonance appears in contrary motion scales?

Just to make things clear, let's set some limits: The scale is F major and the tonic is F One of the scales has to start and end on F The other note can start from any note in the F major scale up to ...
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4answers
389 views

What set of notes can be used as a scale?

There are many different scales. As far as I understand, a scale is defined by intervals between notes. For example, for major scale it should be: tone-tone-semitone-tone-tone-tone-semitone I know ...
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10answers
3k views

If equal temperament divides an octave into 12 equal parts, why are the hertz differences not the same but 12ths of two?

Let's take a 440Hz A pitch and the 880Hz A an octave higher. If we divide space between 440Hz and 880Hz into 12 equal parts, we would have: [440Hz, 476.6, 513.2 ... 880Hz.] And this looks ...
3
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1answer
110 views

Given that an Octatonic Scale has 8 notes, what are the names of the scale intervals e.g. for a diminished scale?

Assuming the C° (half/whole) scale (C D♭ E♭ E G♭ G A B♭ C) comprises the intervals P1, m2, m3, d4, d5, d6, and m7, what is the correct name/interval descriptions for B♭ & C (the 8th & 9th ...
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3answers
584 views

Accounting for intervals not present within the chord ratio?

Here are a selection of chord ratios.. Minor Chord - 10:12:15 Root (1:1) - Major 3rd (4:5) - Perfect 5th (2:3) Major 7th Chord - 8:10:12:15 Root (1:1) - Major 3rd (4:5) - Perfect 5th (2:3) - Major ...
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4answers
141 views

Does the name of an interval change if the notes are in different octaves?

The interval between C and G is a perfect fifth (P5). But if the G is in a different octave does the interval name stay the same?
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5answers
4k views

Is there a relationship between prime numbers and music?

Is there a relationship between prime numbers and the series of overtones and their frequencies? I've found links to Euler's research about math and about music, and I got goose bumps when I found ...
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2answers
92 views

History of standardization of pitch and tuning: measuring waves

The velocity of a traveling wave in a stretched string is determined by the tension and the mass per unit length of the string. for a string of length cm and mass/length = gm/m. For such a string, the ...
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6answers
1k views

Do interval ratios take overtones into account or solely the fundamental frequency?

An interval holds two pitches (C an G). Those two pitches have a fundamental frequency which represents their pitch names, along with their harmonic series/overtones. When we turn that interval into ...
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6answers
2k views

Guitar tuning “perfect” fourths?

Virtually all the sources I can find claim that the intervals between adjacent guitar strings in standard tuning (EADGBE) should be perfect fourths, except for one major third. However, since a ...
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1answer
234 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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0answers
39 views

Why is an interval Major, Minor, Augmented, Diminished, or Perfect? [duplicate]

Why are 2nds, 3rds, 6ths, and 7ths major or minor, but 4ths, and 5ths are diminished, augmented, or perfect? I might have some of that a little mixed up and I realize some are enharmonic equivalents. ...
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6answers
2k views

Is the name of an interval between two notes unique and absolute?

Given two notes, is the name of the interval based only on the number of semitones between them (absolute) or can the same exact interval have different names related to the key/scale we're talking ...
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0answers
64 views

Origin of the distinction between major/minor, perfect intervals in light of the major second [duplicate]

in short i have the following question: What is the historical/scientific reason behind the naming convention of major/minor second instead of naming the major second "perfect" second? More specific:...
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7answers
489 views

How can I memorize all the notes in each usable key?

Basically, I want to have all the notes in every usable key memorized so that I can instantly just call them to my memory and play them. By usable I mean any key that has 7 or less flats/7 or less ...
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3answers
91 views

Why is the interval from the D string to the A string a P5, but a P4 interval from the A string to the D string?

I'm trying to look at the fret board in distance vs notes, I know that going up from the low E string to the A string is a perfect 4th, but going from the A string to the low E string is a perfect 5th....
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1answer
1k views

Which note goes on which side of the stem?

When writing music in sheet music form, I know that when writing harmonic intervals of a second, one of the two notes is on the opposite side of the notehead. My trouble is determining which note to ...
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2answers
124 views

Why can some hear the minor second as a perfect consonance? [closed]

Great Music of the Twentieth Century (2018), by Robert Greenberg B.A. music (magna cum laude) from Princeton, Ph.D. music composition from the U.C. Berkeley. Lecture 11 "Synthesis and Nationalism: ...
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2answers
91 views

Table of Intervals, “Diminished” column

I found the following table of Intervals in the Harvard Dictionary of Music (re-created by me in MS Word): (Correction to the above: It is "Harvard Dictionary", not "Oxford Dictionary". Oops!) I am ...
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1answer
286 views

What are the different qualities of the intervals? [closed]

I know that a 3rd decides the emotional quality of a chord, but what about the 5th? What does the 7th do? The 2nd, 6th, and 9th?
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5answers
1k views

Would it be a good idea to memorize relative interval positions on guitar?

It seems like if I memorized the relative intervals between the notes on each string, it would help a lot with quickly making chords and such. It seems a lot easier than trying to memorize individual ...
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2answers
86 views

Are there any methods to identify intervals in Solfege?

I have a test in Solfege and I have trouble identifying intervals. I don't have musical hearing and I have never studied piano professionally. Therefore I struggle with identifying intervals through ...
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0answers
36 views

Aural mnemonics: can we compile a list? [duplicate]

When I do ear training, I like to use mnemonics, in the form of a short snippet from a well-known song, to help me memorize certain aural patterns. I can share some of the ones I have so far, but I ...
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6answers
381 views

How does any given major key contain only 1 tritone?

Understanding the Fundamentals of Music (2006), by Robert Greenberg, B.A. in music (magna cum laude) from Princeton, Ph.D. in music composition from the University of California, Berkeley. p. 54 of ...
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3answers
993 views

Why do the keys in the circle of fifths have the pattern of accidentals that they do?

I'm attempting to fully understand the circle of fifths, and I noticed that in the clockwise direction, the sharps are added in their own circle of fifths starting at F. I'm wondering why this ...
3
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0answers
68 views

What is a good app, software or other efficient method to type out staff notations? [closed]

I’m asking for suggestions and recommendations from music theory educators who often need to prepare music lesson notes and set tests that will require a lot of staff notation images, for e.g. an ...
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3answers
540 views

Maximum interval between Alto & Tenor, & intervals when writing for SATB

What is the maximum interval permitted between the Alto & Tenor when writing for SATB? I have read it should not be more than a 10th, whereas another source said it should not be more than an 8th. ...
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3answers
173 views

Mikrokosmos, BB 105, Vol. 1: No. 17 Contrary Motion (1) - Can't understand the structure

Can somebody explain how the harmony works in this piece? It seems that the right hand plays on C key and the left hand alternates between G and D. Why when played in opposite direction do the ...
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2answers
108 views

What does it mean to “outline an interval”?

Here, for example, I see the following rule: Consecutive leaps should outline a triad What does it exactly mean? My assumption was that, if we have a sequence of tones that leaps-wise go in one ...

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