Talk:Seventh chord
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Furrykef I have to disagree that the names and abbreviations/symbols you added are "more typical". They may be common, and some of them may be the most common, but a dominant seventh/major minor seventh is most commonly X7, not XMm7. Of course we may include both options, but I thought I would "talk" as you removed some. Hyacinth 04:20, 14 May 2004 (UTC)
Hmm? I'm confused as to what you mean.
--Furrykef 07:59, 14 May 2004 (UTC)
Sorry, chronology screwed up. What I meant to say was I don't think Δ7 is "more typical" than M7, which you removed. Thanks. Hyacinth 08:20, 14 May 2004 (UTC)
Hmm, that's a major seventh, not dominant seventh. Anyway, that would be true, but I'd think maj7 is the most common of all. However, I'll add M7 back (and Mm7 as well) since it's probably still common; if removing it might be dubious, it's probably not a good idea. I'll also add the minor-major seventh (it's rare but still a seventh chord) and note that the half-diminished is commonly written m7b5. :)
--Furrykef 09:10, 14 May 2004 (UTC)
Thinking of a half-diminished chord as an m7b5 is more accurate. People tend to say 'diminished 7th' and 'half diminished 7th' when in fact those terms are entirely incorrect. The terms 'diminished' and 'half diminished' don't need to be qualified with a '7th'.
--Adambisset 17:28, 21 Oct 2004 (UTC)
You mention that "The other three possible seventh chords – the minor/major seventh (also m/maj7, m/M7), the augmented/major seventh, and the augmented/augmented seventh – are rarely seen in western music". But m/maj7 is quite common in jazz, which is western music, last I checked :) Also, there are other interesting seventh chords that pop up a lot in jazz, like the alt chord. Would it be appropriate to mention jazz uses of seventh chords here, or should there be a separate topic for jazz chord theory? (It would be weird to bifurcate every single theory topic into a "classical version" and a "jazz version", I think.)--Rictus 7 July 2005 07:52 (UTC)
The chord that is compared to the diminished 7th at the end of the article is incorrectly labelled a minor 9th. Although not completely obvious by the name, "minor 9th chord" refers to a minor triad with a major 9th from the root, and sometimes a minor 7th. The chord shown is a dominant 7th chord with a minor 9th, G7(b9). I don't know how to edit the picture but someone should, or I'll take it off. -Bob (Nov 19 2006)
[edit] Diatonic and chromatic
The article uses the term "diatonic", but without adequate explanation. This term, along with "chromatic", is the cause of serious uncertainties at several other Wikipedia articles, and in the broader literature. Some of us thought that both terms needed special coverage, so we started up a new article: Diatonic and chromatic. Why not have a look, and join the discussion? Be ready to have comfortable assumptions challenged! – Noetica♬♩ Talk 01:36, 4 April 2007 (UTC)
