Ides of Gemini are Black Math Horseman's Sera Timms (vocals/bass), veteran music and film journalist J. Bennett (guitar/backing vocals) and Kelly Johnston (drums/backing vocals). In 2010, Timms and Bennett recorded and self-released a four-song EP, The Disruption Writ. Later Johnston joined the band, and in 2012 they released their full-length debut, Constantinople. “J. Bennett lays down imperial metal riffs swathed in so much reverb that they seem isolated from the rest of the world.