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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16
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9answers
817 views

Musical Aids to Memorize Intervals

As the tutor for my school's music department, I spend a lot of time helping students drill intervals. However, I only have a handful of songs to recommend recognition. P8 — Somewhere Over the ...
13
votes
2answers
1k 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?
5
votes
3answers
281 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 ...
17
votes
3answers
2k 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 ...
7
votes
4answers
2k 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 ...
2
votes
2answers
255 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
10answers
4k 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 ...
10
votes
3answers
585 views

What are some useful ear training exercises for moving beyond two-note interval training?

I've practiced enough that I can recognize two-note intervals in isolation (sequentially), but this doesn't seem to help that much for understanding actual songs. What exercises would help to go ...
8
votes
3answers
3k views

Exercises for quickly identifying intervals on the staff

In order to improve my piano sight-reading, I want to practice recognizing intervals on the staff faster. If possible I'd like to combine the interval-recognition with a training for my finger memory, ...
18
votes
11answers
758 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 ...
14
votes
2answers
431 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.
10
votes
6answers
226 views

Why aren't intervals zero-indexed?

Note: italics such as "2nd" refer to my proposed notation; existing notation is written without italics: "2nd". Why is the interval between C and D called a 2nd, as they are 1 note apart? Surely this ...
7
votes
5answers
3k 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 ...
2
votes
3answers
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 ...