水曜日のカンパネラ (Suiyoubi no Campanella; English: Wednesday Campanella) are an electronic project from Tokyo, Japan. Active since 2012, Suiyoubi no Campanella is composed of singer/songwriter/personality KOM_I and producer/composer Kenmochi Hidefumi. Suiyoubi no Campanella's sound is difficult to describe in that it varies greatly. KOM_I's lyrics and raps often reference pop culture or quirky historical figures, which she performs solo in live performances.