Armored Core 4 Original Soundtrack - Tracks: 01 Overture 02 Prayer 03 Chapter1 04 Panther 05 Sound You Smash 06 Twist It 07 The Rock Drill 08 Chapter2 09 Megalopolis 10 Second Development 11 Sand Blues 12 Blind Alley 13 Grid Room 14 Pump Me Up 15 Chapter3 16 Agitator 17 Speed 18 Change Gears 19 Rain 20 Chapter4 21 With Heat 22 Fall 23 Pray for the Power 24 Mr. Adam 25 Thinker