Oh sweet. That makes things easier for me then. My list is four songs per album.
ODR:
Find the Real, Open Your Eyes, In Loving Memory, and Down to My Last
Blackbird:
Brand New Start, Blackbird, Watch Over You, and Wayward One
AB III:
Slip to the Void, Show Me A Sign, Fallout, and Coeur D'Alene
Fortress:
Cry of Achilles, Bleed it Dry, Waters Rising, and Fortress
The Last Hero:
The Other Side, Cradle to the Grave, Twilight, and The Last Hero
Walk the Sky:
Take the Crown, Forever Falling, Clear Horizon, and Walking on the Sky