Legendary singer-songwriter Peter Gabriel recently released a brand new mix of his latest single, “Panopticom.” “Panopticom (Dark-Side Mix)” arrives after the release of “Panopticom (Bright Side Mix),” which was the first new music from Gabriel’s upcoming album, i/o. “Panopticom (Bright Side Mix)” featured contributions from Brian Eno. Gabriel previously announced that his music would be…