Day Twelve: Trauma by AYREON Overview Tag Appears on Human Equation Human Equation [Limited Edition] [Bonus DVD] The Human Equation The Human Equation (2) The Human Equation (CD2) The Human Equation [CD2] The Human Equation, CD2 The Human Equation (Disc 2) The Human Equation [Disc #2] The Human Equation [Disc 2] The Human Equation Disc 2 The Human Equation, Pt. 2 The Human Equation [Regular Edition] The Theater Equation The Theater Equation - Act 2 Timeline Timeline (CD3) Timeline CD3 [2008 Inside Out SPV 79952] Germany Timeline (Disc 3) Timeline [Disc #3] Playcount 1137 Listeners 191