Zero Order Phase is the debut solo album by former Nevermore guitarist Jeff Loomis. It was released on September 30, 2008 through Century Media Records. The album was produced by Neil Kernon and features guest appearances by guitarists Ron Jarzombek, Pat O'Brien, and the jazz bassist Michael Manring. An instrumental album, Zero Order Phase was recorded in March 2008 at Robert Lang Studios in Seattle, Washington. In addition to Loomis on guitar, keyboards and bass, the album features ex-Nevermore member Mark Arrington on drums.