There are at least 2 artists using this name: 1)Polybius is a Colorado based Indie/Blues/Rock/Experimental/Metal/Folk/Country/Hip-hop/Post-Rock/Hardcore band consisting of ex-members of the band A Million O'Clock. Luke Hunter James-Erickson drums and provides backing vocals. Tom Wallingford plays bass, guitar, didgeridoo, turn-tables, backing vocals and occasionally lead vocals, along with rap-style vocals. Sean Prahinski plays lead guitar and provides the majority of the lead vocals.