m7b5 and m7bb5

PCM

Spring, Texas
Just finished the first webinar in the all access portal. Good discussion!

I was a little concerned about asking the m7b5 question as the narrative and subject matter wasn't intervals and chord structure. However, I would like to know in the music theory world why the Locrian interval rises from basic diminished to m7b5 or m7bb5 in some musical notation? I know the latter chord nomenclature is diminished, I really don't quite understand the bb5 concept...I remember something about it depending upon the key.

Thanks.

Pete Maiers
 
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