"And the Rest Is Mystery," which is over nine minutes in length, was composed by Theocracy songwriter and vocalist Matt Smith, and features vocals by Neal Morse (Neal Morse band, Transatlantic, Flying Colors, ex-Spock’s Beard), Daniel Heiman (Dimhav, ex-Lost Horizon, Heed, Harmony, Crystal Eyes), Leah McHenry (LEAH) and Smith, as well as instrumental support from Smith’s Theocracy bandmates Ernie Topran and Val Allen Wood. The artwork was created by Markus Sigfridsson (Darkwater, Harmony, All Things Fallen).