Hymn to Labor
... that Momoiro Clover Z premiered their "Hymn to Labor" on a rooftop in Tokyo while wearing energy-saving suits?
... that <a href="./Momoiro_Clover_Z" id="mwBOs" rel="mw:WikiLink" title="Momoiro Clover Z">Momoiro Clover Z</a> premiered their "<b id="mwBOw"><a href="./Rōdō_Sanka" id="mwBO0" rel="mw:WikiLink" title="Rōdō Sanka">Hymn to Labor</a></b>" on a rooftop in Tokyo while wearing energy-saving suits?