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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7answers
2k 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 ...
6
votes
2answers
1k 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, ...
11
votes
2answers
285 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
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6answers
138 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 ...
6
votes
4answers
853 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 ...