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 talking about different fingerings or positions of the chords. I'm talking about the number of possible chord formulas according to how the rules of chord naming works. (if that makes sense)
Surely that list of chords (for guitar anyway) is finite.
For instance, I was mucking around on guitar and came up with this (awful sounding) chord:
x4x212 D♭ A C G♭
Which I decided must be a
D♭ Maj11♯5 chord - based on the
1, ♯5, 7, 11 intervals.
Now of course, my chord book has no such chord as a Maj11♯5, nor does any website I've ever seen - but does that mean it is not a real chord?
I think it must be, because I haven't broken any of the "rules" of naming chords that I'm aware.
Anyway, this chord is just an example. What I want to know is - are chords such as these real chords that exist in music theory:
1, ♭3, ♭5, ♭7, ♭9, 11 m11♭5♭9 1, 3, 5, 7, ♭9, 11 maj11♭9 1, ♭3, 5, 7, 9, 11 m11(maj7) 1, ♭3, ♯5, 7, ♭9, 11, 13 m13(maj7)♯5♭9
Perhaps these chords have little purpose in a practical music sense, but I'm more coming from a theory perspective.
And if you're interested, the real purpose of my question, is that for a programming exercise I wanted to write a program that could work out the name of any chord, based on what notes you gave it. Most chord programs that I've seen would not have picked the
D♭ Maj11♯5 name above - does that mean they are too simplified, or (going back to my question) does that chord name not really exist?