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B Diminished

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== Open Position B Diminished Triad ==
<div class="item-wrap"><div class="trail {{crumbs|blue">|1<span class="text current">[[|B Diminished#Open Position B Diminished Triad|Open B dim]]</span><span class="text">[[|B Diminished#Harmonic Function: Leading Chord|Theory: Leading Chord]]</span> <span class="text">[[|B Diminished#Full Circle Progression|Circle Prog]]</span><span class="text">[[|B Diminished#Diminished Fifth Interval|Dim 5th Interval]]</span></div></div>}}
{|
== Harmonic Function: Leading Chord ==
<div class="item-wrap"><div class="trail {{crumbs|blue">|2<span class="text">[[|B Diminished#Open Position B Diminished Triad|Open B dim]]</span><span class="text current">[[|B Diminished#Harmonic Function: Leading Chord|Theory: Leading Chord]]</span> <span class="text">[[|B Diminished#Full Circle Progression|Circle Prog]]</span><span class="text">[[|B Diminished#Diminished Fifth Interval|Dim 5th Interval]]</span></div>}}</div>
B dim is diatonic to the key of C Major, using its 7th scale degree as the root note. Thus, it is called the <u>vii</u> or <u>vii° chord</u>. The ° indicates diminished, but you have to be careful - we are dealing with the diminished triad here, not the diminished seventh. The Diminished 7th chord has two variations - half and full. Half is indicated with a slash through the ° symbol. ''Where the {{dim}} symbol cannot be made, such as on a standard keyboard, or to avoid ambiguity, you can use "dim" (ex. Bdim) to indicate the diminished quality of the chord.''
== Full Circle Progression ==
<div class="item-wrap"><div class="trail {{crumbs|blue">|3<span class="text">[[|B Diminished#Open Position B Diminished Triad|Open B dim]]</span><span class="text">[[|B Diminished#Harmonic Function: Leading Chord|Theory: Leading Chord]]</span> <span class="text current">[[|B Diminished#Full Circle Progression|Circle Prog]]</span><span class="text">[[|B Diminished#Diminished Fifth Interval|Dim 5th Interval]]</span></div></div>}}
C F B{{dim}} Em Am Dm G C
== Diminished Fifth Interval ==
<div class="item-wrap"><div class="trail {{crumbs|blue">|4<span class="text">[[|B Diminished#Open Position B Diminished Triad|Open B dim]]</span><span class="text">[[|B Diminished#Harmonic Function: Leading Chord|Theory: Leading Chord]]</span> <span class="text">[[|B Diminished#Full Circle Progression|Circle Prog]]</span><span class="text current">[[|B Diminished#Diminished Fifth Interval|Dim 5th Interval]]</span></div></div>}}
The vii{{dim}} chord is the only diatonic chord in any major key to contain the diminished 5th interval. Remember that the most harmonic interval (other than an octave) is the perfect fifth, represented by the simple ratio of 3:2. By contrast, the diminished 5th has a ratio is 7:5. Let's see all the intervals: