The name given to the distance between two pitches. Can be expressed in terms of relative scale degrees (minor 3rd, tritone, unison, octave) or exact ratios (3:2, 16:9, 5:4).

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18
votes
11answers
7k views

What makes an interval “Perfect”?

I've been trying to find an answer, but to no avail. Is what we call a perfect interval somewhat arbitrary? It seems as if the modern definition is "perfect under inversion". I know the other thing ...
13
votes
9answers
6k views

What is the full list of possible chord names? Are there chords that don't have a name in chord theory?

My chord book covers 35 different chord types. When I look on the web or in other tools, all the same types of chords come up. But I don't think this is the "full" set of possible chords. I'm not ...
9
votes
5answers
7k views

How to differentiate between a diminished fifth and an augmented fourth interval?

Both are a tritone appart, both sound the same. How can we differentiate when an interval is an augmented fourth or a diminished fifth? Context: In voice leading we learn that when the spelling of ...
5
votes
2answers
123 views

How to correctly invert non-compound greater-than-octave intervals?

(A.S.: Assuming that "non-compound" means "contains eight or less degrees.") TL;DR: How to invert doubly augmented seventh? I've ran into inversion problem with greater-than-octave intervals (not ...
9
votes
4answers
4k views

Why have I never found any music written in the key of C Sharp Major?

Music is written in almost every key that corresponds to every note that is on my piano keyboard. There is clearly a C Sharp (black key right of C) on my piano keyboard but I don't recall ever seeing ...
3
votes
3answers
410 views

Is there a simple way to transpose a song from one key to another? What is the methodology?

What is a simple way to accomplish transposing a song from one key to another key? In other words if I am looking at a song written in the key of C and can't sing it in that key and I want to ...
4
votes
3answers
69 views

Diminished second and NCTs

Are notes that are a diminished second from a chord tone considered part of the chord, or are they considered an NCT? For example, if the chord contains an F and there's an adjacent E#.
3
votes
3answers
177 views

Tuning of Accidentals & Scales

In his Book Basics, Simon Fischer wrote in a footnote that: The exact tuning of a sharp or a flat depends on the key, style and character of the music. For example, Bb as the tonic of Bb Major ...
2
votes
4answers
141 views

How do you figure out a chords name?

first of all I understand how triad chord names are made through the major scale 1-3-5 and then you alter or add certain degrees for the names of different chords. What I dont understand is how I can ...
-4
votes
1answer
68 views

How do I to calculate note's frequency using no intervals? [closed]

To calculate frequency of a note you should know the amount of semitones between the note and A4. 2x/12 * ffixed = fgiven where: x – is the quantifier, based on amount of semitones between given ...
2
votes
2answers
100 views

How to abbreviate multiply -diminished or -augmented intervals

I know they aren't used often, but how do you abbreviate a doubly-, triply-, or otherwise multiply- diminished or augmented intervals? For instance, a perfect fifth is abnbreviated P5, a diminished ...
7
votes
5answers
3k views

Does the bass note in a “slash” chord really have an associated interval?

I have a question about "slash" chords. Look at the chord E/G: E G♯ B G 1 3 5 ? G is the minor 3rd interval (♭3) in the key of E. However, I would have thought by definition chords cannot ...
6
votes
3answers
164 views

What is the interval from C double flat to E double sharp called?

What is this interval called in terms of relative scale degrees?
2
votes
1answer
335 views

What is the interval between two enharmonic notes?

The interval between, say, C4 and D4 is a major 2nd. What is the interval between B#3 and C4? Is it still a 2nd? For lack of a better term would it be something like a minor minor 2nd?
1
vote
1answer
107 views

Is a ♭ 3 a minor 3rd, a ♭♭3 a diminished 3rd, and ♭5 a diminished 5th?

I just need some clarification. Am I getting chords notated this way - 1-5-♭7-9-11, 1-3-5-♭7-♯11, 1-3-5-♭7-9-13, 1-4-5-♭7-9-13 - right? 3 == M3 5 == P5 ♭7 ...
3
votes
3answers
160 views

Why is a major second not called a perfect second? [duplicate]

Apart from a second, intervals can be described as either {Diminished, Perfect, Augmented} or {Dim, Minor, Major, Aug} depending on whether or not the major and minor scale share that interval. For ...
4
votes
2answers
210 views

What's the difference between the tritone and the blue note?

For a while I thought they were one and the same, now I'm confused. This Wiki Article on the subject asserts that the blue note isn't even a real note, i.e. a note that's not part of the standard ...
5
votes
4answers
494 views

What's the term for the intervals between notes within a scale that produces a chord

I probably described that poorly in the title, and I'm not even sure there is a word for what I'm thinking. Lets say you're playing on just the white keys on a keyboard. C E G is C major, and D F A ...
15
votes
6answers
3k views

Having trouble memorizing intervals in ear training

I've been using some of those interval training games like this one and I have tried some on my phone as well. The problem is that I don't think I'm making any progress. Right now (on the website I ...
17
votes
2answers
2k views

Why do notes have multiple names?

I've seen the same note called different names for example the note F# can also be written as Gb. Why is this the case and are there times to use one name over another?
18
votes
5answers
3k views

Are doubly augmented and doubly diminished intervals practical?

In music theory when naming intervals, a lowered diminished interval is a doubly diminished interval (dd) and a raised augmented interval is a doubly augmented interval (AA). One example is a C♯ ...
5
votes
3answers
483 views

General procedure for determining the name of an interval given a major key / diatonic collection

I'm attempting to program a library that lets one make use of concepts from Peter Westergaard's tonal theory. The current problem I'm trying to solve is to determine the specific name of an interval ...
6
votes
4answers
489 views

More dissonant chords/intervals in the bass clef when frequency proportions are the same?

Take for example C augmented. It sounds more consonant in the treble clef above middle C and more dissonant in the bass clef. However the proportions of the frequencies are exactly the same. This ...
-1
votes
2answers
86 views

Is there a resource containing intervals (or scales) in integer format? [closed]

In order to programmatically generate a lot of scales at once, it would save time to have a list of various interval sets in integer format. Originally, this was assuming lists of intervals (each ...
0
votes
2answers
76 views

Which scales for particular chords [Piano]

Two part question: If I'm playing a ii-V-I (e.g., Dm7, G7, CM7) and just want to improvise, what scales can I play with my right hand while on each chord, and why (so I can follow the logic and ...
2
votes
2answers
105 views

Which blues scale and 7th chord voicings match up?

Which blues scale goes with which chord voicing? For example, Dm7 (D,F,A,C) does not go with the D pentatonic minor blues scale. So what scales go with Dm7? And then accordingly, which go with DM7 (D ...
2
votes
2answers
426 views

Naming Scale Degrees

As I understand the minor pentatonic degrees are 1 b3 4 5 7b It says b3 & 7b, does it matter which side the b is on and do they both mean flat? Scale degrees are almost always based off the ...
1
vote
2answers
132 views

Ear Training: How to figure out the key signature and chords used in a song

I have just started learning music but i find it very difficult to recognize the chords used in a song and its key signature when it seems to be far too easy a task for other students. Is there any ...
4
votes
6answers
167 views

Intervals for music

I have a question concerning the intervals on a piano Between A flat and G, is it a Major 7th or Minor 7th? It seems both scales have the same note.
2
votes
4answers
358 views

Tonal harmony, counting intervals and confusing about Perfect Fifth in C Major

Distance from E to F is a half step because no other notes fall between them. Why are we using the G note as a perfect fifth in C Major chord? Shouldn't be G sharp?
0
votes
1answer
78 views

Why is it called a Perfect Fifth? [duplicate]

What is the origin of the term perfect fifth and how does it relate to the length of a string and, specifically, the length of a guitar string. I crudely measured my guitar string and found that the ...
1
vote
3answers
69 views

Is there a term to describe an augmented second as a step or tone instead of an interval?

Typically when describing a scale its very typical to describe the pattern in terms of semitones and tones or half steps and whole steps as follows: A major scale is a diatonic scale. The sequence ...
3
votes
7answers
204 views

Why are there major and minor intervals?

I'm clearly thinking about this wrong, because it just doesn't make any sense to me. The way I'm mentally modelling intervals, a minor second should just be named a second (interval encompassing 2 ...
4
votes
6answers
1k views

Why is the 2nd note of a chord called major third?

On a piano, the root note of the C major chord is referred to as 1. The second note played is E, which is actually the fifth key when starting at C. Not 3? Yes this makes senses to call it a 3 when ...
3
votes
2answers
105 views

In Four Part Writing, is an augmented unison interval in a single voice allowed?

I'm composing a traditional four-part part-writing piece with a soprano, alto, tenor and bass. The song progresses from a F Major chord to an A Major chord. In the former chord, the bass is on C, and ...
2
votes
3answers
51 views

Having trouble doing multiple intervals at the same time

Ok, practicing my intervals and playing M3 and m3. If I do them one after another, and move from a low register to a high one and visa versa, I tend to cling onto the old tones and its making it very ...
36
votes
7answers
5k views

What notes are optional in jazz chords?

I have a question on jazz chords, and what notes can be removed from the chord. My understanding is fairly superficial - mostly from what I've read in books. This is what I understand: In some ...
4
votes
4answers
259 views

Correct octave technique

I am an amateur pianist (of about 17 years) and I'm not sure if I ever learned correct octave technique. I just "finished" Chopin's first ballad and there are several sections which require some ...
2
votes
9answers
7k views

What is a perfect fifth?

I have gone through many documents, but don't understand what a perfect fifth is. Can somebody please explain with an example? (An example is important!) I have already found these explanations, but ...
2
votes
1answer
195 views

Are there solfege syllables for diminished and augmented imperfect intervals?

Sometimes it is necessary to name notes and intervals differently based on how they are functioning and I was curious if this idea caired over to solfege. For example, the notes of a Co7 are C, Eb, ...
3
votes
4answers
1k views

Theory of Major and Minor Chord Sounds

Since a major triad is comprised of a minor-third stacked on top of a major-third, and a minor triad is comprised of a major-third stacked on top of a minor-third, they should, in "theory", have the ...
6
votes
3answers
192 views

“Tritone” intervals in n-tone equal temperament

In 12-tone equal temperament, the tritone interval is made of three whole tones (six semitones) and is considered, if I am not mistaken totally, as the most dissonant interval. I have two questions: ...
1
vote
2answers
96 views

Are 2 or more octaves perfect consonant?

According to my knowledge, an octave is considered as a perfect consonant. But are 2 or more octaves considered perfect consonant? For example, is C1 and C5 perfect consonant?
5
votes
2answers
216 views

Are these parallel octaves?

I am writing a chorale in C flat major and I currently have a 3 chord going to a I6 chord. Stacked, the chords are EGEB to EGEC. Is this considered parallel octaves? HELP.
15
votes
2answers
584 views

What is the name of the interval Db - D#?

I know that Db - Eb is a major second/diminished third. What is the interval Db - D# called (and why)? EDIT: oops, Db - Eb is NOT a diminished third.
2
votes
2answers
156 views

What interval do all the modes have in common?

I was watching a video exercise to play all of the modes you can over a power chord A5 in this case. Is there an interval that all modes share over a particular tonic (A in this example)?
6
votes
2answers
520 views

Tips on identifying intervals by ear?

So, I'm a guitar player, and I'm taking a music theory class. All of the theory we're learning about sort of revolves around the piano. And I've never really had any formal training with theory, I ...
4
votes
8answers
4k views

Confusion about major and minor second intervals

Why is a major second interval different from a minor second interval considering that in the natural scales formulae they are both one whole step?
4
votes
1answer
78 views

Are same interval leaps consented in second species counterpoint?

I've been told that, in second species counterpoint, presenting the same interval in 2 consecutive bars is an error. What then if the intervals skips in opposite directions? Like this: Is this ...
1
vote
2answers
216 views

Piano: Finger substitution vs spreading hand for different intervals

For the measures shown in the picture, I am able to reach the notes if I spread my hand but I'm not sure if this is good practice. I tried also to use finger substitution but I can make it work only ...