11
votes
2answers
872 views

Why do notes have multiple names?

I've seen the same note called different names. Why is this the case and are there times to use one name over another?
4
votes
4answers
125 views

Still Major Intervals?

I have a worksheet to prepare me for my A level music; however I'm confused when being asked to name these intervals: My logic is that as both the tonic and above note are both flat meaning the ...
4
votes
5answers
110 views

How to create an interval from a note which doesn't start a major scale

When constructing an interval, e.g. a major third from A I work like this: Count three notes including the starting one, so A, B, C Now check on the circle of fifths whether A major scale has an ...
15
votes
8answers
2k 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 ...
2
votes
1answer
33 views

Multiply-diminished intervals from a major

I know that starting from a perfect interval and shortening the interval by two semitones gives a doubly-diminished interval. But what about starting with a major interval? For instance, starting ...
8
votes
4answers
758 views

Why is a minor 3rd consonant but an augmented 2nd dissonant?

I am currently reading the Jazzology and on the chapter per the consonant and dissonant intervals I came across this statement: while a minor 3rd is consonant, an augmented 2nd is dissonant. ...
9
votes
1answer
388 views

Is i-V a stronger progression than I-V?

I'm just starting to learn a little music theory (in connection with learning to play the ukelele), and I repeatedly see I-V as basically the strongest chord progression (in whatever sense "strongest" ...
2
votes
2answers
182 views

Scale degree naming

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 ...
12
votes
3answers
319 views

Interval of a 4th above the bass

As I was studying music theory (harmonizing a melody in particular) I got confused with the statement: The interval of a 4th above the bass is considered dissonant and must resolve down by ...
4
votes
3answers
205 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 ...
14
votes
5answers
644 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). Ex a C# to a Gb would be ...
6
votes
3answers
1k 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 ...
7
votes
5answers
221 views

Chords and Intervals - Unison

Just trying to wrap my head around intervals but I'm confused by Unison. If I am playing a chord on a piano, how do you play a Unison chord if you can't press the same key twice at the same time? ...
6
votes
4answers
1k 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 ...
16
votes
3answers
1k views

Why are thirds used to construct chords?

I am (slowly) learning music theory on the guitar. I've begun learning about scales and chords, and it seems that all chords are built using some combination of thirds. For example, a minor triad is ...
4
votes
2answers
228 views

What note(s) are a diminished 3rd above D-flat?

In What is the interval between Db and D# some of the comments indicate that the interval Db->Eb can be considered as a diminished third. I would think that Fbb (double-flatted F) is a diminished ...
13
votes
2answers
396 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.
4
votes
2answers
258 views

How do you label a sequential interval when the second note is lower in pitch than the first?

Consider the interval D3 G3. This would form a perfect fourth. In a sequential interval, say a quarter note D3 followed by quarter note G3, this still "sounds" like a perfect fourth so using that ...
15
votes
8answers
512 views

Can a chord contain both the C and C♯ notes? (as opposed to containing C and D♭ notes)

Can a chord contain both the C and C♯ notes? Or do you always have to use D♭ rather than C♯ in a chord that already contains the note C? I'm guessing the answer is no, both C and C♯ should not be ...
10
votes
10answers
3k 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 ...
27
votes
6answers
2k 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 ...
6
votes
3answers
277 views

What makes augmented fourths and the diminished fifths so hard to sing/remember?

I've always wondered what makes these particular intervals so difficult.