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I found a Paul McCartney Song..."Maybe I'm Amazed"... that showed a chord that still has me stumped:

D-10 is the name of the chord

Now, I understand that most chord names are 'even' (as opposed to odd) when they are within the initial octave. They then become 'odd' when the octave changes.....a "C2" would be a "C9" or "C4" would be a "C11"...but there is no 10th note when the octave change happens at the 8th note. ( referring to a major scale, of course )

...so what is a D-10 Chord?

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Can you tell if the dash applies to the D or to the 10? (Maybe there's a space in there or something?) –  Peter R. Bloomfield Nov 15 '13 at 0:11
Honestly, this sounds like a printing error to me! –  NReilingh Nov 15 '13 at 0:50
Just looked through 8 different chord charts, couldn't see D-10 anywhere. Did find a version with 'Emb' though - almost as interesting...Which version/part of song is it ? –  Tim Nov 15 '13 at 17:04
Here we are 12 days later, 2 questions for the OP to respond to.Is there some way for this to be sent to the OP, or is it passive in that we have to wait for his response ? –  Tim Nov 27 '13 at 15:40
I believe it may have something to do with looking at a 3rd and dropping the lower note of the 3rd an octave –  user13481 Sep 18 '14 at 2:48

3 Answers 3

I believe it is a less common alternate way of writing D7(#9), i.e dominant seventh sharp ninth (as in the Hendrix chord), with the notes D-F#-A-C-F.
I've only seen it written as D10, but D-10 (as in D7(b10)) to some degree makes more sense in that the 10th is referring to the minor third.

If the version of the song that I listened to on Youtube is representative, and my guess as to which chord you refer to is correct, then it is voiced on the piano with the F and the F# adjacent to each other, rather than with the F an octave above the F#, which would be the standard voicing of a 7(#9) chord. Perhaps without the 7th (C) - I'll have to listen more carefully.

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Aye, totally right about having the 7th in there as well. Bravo! –  Alexander Troup Nov 15 '13 at 19:01
A sharp 9th would have E# instead of F. But I second that -10 means 10b here. And yes, 10b chords usually contain their 7th as well. –  András Hummer Sep 19 '14 at 7:46

There is no such thing as a D10 chord. It has no relationship to a 7 with a #9. A tenth is the same as a 3rd only an octave higher but chords are not spelled using a 10th as a numerical designation. Whoever is using notation like this is in error, it is not in the language and for good reason, confusion being one.

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I found the chord sheet in question and they write out the tab for the chord itself as follows.


First of all the D(-10) chord does not exist and should not ever be written. I don't know where it came from, but it doesn't make any sense since the most basic chords (triads) are made up of a root, 3rd(10th), and a 5th so the basic chord covers 10ths.

Based on the tabs the given notes are F#, A, D, F. There are two ways we can look at this. Since there is an F# in the bass and the rest of the chord makes a Dm chord, we can write Dm/F#. This is odd of course because F# is not in a Dm chord, but instead is in a D major chord. This method is the simplest way to look at the chord, but there is another.

We can convert the notes into the enharmonic equivalent F#, A, C##, E#. By doing this, we can see that this make some type of F# 7th chord. From F# to A is a m3, from F# to C## is a A5, from F# to E# is a M7. From this we can make the chord F#mM7#5. A complex chord, but is much more descriptive of how the notes interact.

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