About a week or two ago I realized that Love Live's school idol music NEVER uses the diminished chord out of the seven diatonic chords in a key.

In major keys, the diatonic chords are:

I / ii / iii / IV / V / vi / viio

And in minor keys:

i / iio / III / iv / v / VI / VII

But the thing here is, that neither the viio chord in major keys nor the iio in minor is used in Love Live's music. In minor keys, sometimes even that v chord is used. Love Live tends to use both major and minor keys, and uses all of the diatonic chords EXCEPT for the viio and iio.

For example, in this song in D minor, I hear:

Dm, F, Gm, A, Bb, C (i, III, iv, V, VI, VII)

But I cannot find Edim (iio) ANYWHERE in the song.

Also in Aishiteru Banzai,, you could definitely see E, F#m, G#m, A, B, C#m, but there is no D#dim AT ALL.

Now I am curious about is there a particular reason why Love Live does not use the diminished diatonic chord. Will my question be on-topic if I post it on A&M?


Music theory is most certainly not on-topic.

Progressions using vii∘ (I–IV–vii∘–I and I–ii–vii∘–I) are less common because of the instability of diminished chords. The diminished tone dilemma you pose is encapsulated in this question on music.se.

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    Without specific examples it's difficult to asertain the context. Either way, such discussions are not on-topic here. Please take it to appropriate site and provide proper examples to state your case and for comparisons. But know that it's likely going to be comparing oranges, tangerines, mandarins, and clementines to one another. Subjective, unless worded otherwise.
    – кяαzєя Mod
    Mar 23 '20 at 8:56
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    This is not a question we can reasonably answer unless we were the composers or coordinators for the series and franchise. Please do not use the comments to ask questions.
    – кяαzєя Mod
    Apr 5 '20 at 2:10
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    This and that are seperate matters.
    – кяαzєя Mod
    Apr 8 '20 at 0:23
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    No other site atm, unfortunately.
    – кяαzєя Mod
    Apr 14 '20 at 11:44
  • Is there any reason OTHER than the instability of the vii chord? Add this to your answer, please.
    – user45359
    Apr 27 '20 at 9:21

No, this would not be on topic on A&M.

This question would not be about Anime or Manga as defined in the scope in the help center, as it is not about Anime or Manga, but about musical analysis.

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    Yes. One is an barely on-topic music identification question. The other is a music theory question. Scope and context make a difference even if they are related tangentally.
    – кяαzєя Mod
    Apr 14 '20 at 12:57

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