Yes, Rule of Thirds is definitely a goth band because most of their albums belong to the Gothic Rock and Deathrock genres, which are among the core subgenres of goth music. Albums like S/T, Demo, and Rule Of Thirds are examples of their goth sound.
Rule of Thirds is located in Australia, South Australia, Adelaide, active in 2012 — present. You can find more information about Rule of Thirds on their GothDB band page.
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