This is not for the faint of heart. Use this music when you are in desperate need of harder-than-advised-by-experts workouts, longer-than-really-necessary training sessions, or in search of self-produced adrenaline overdoses. I have personally tested this playlist in the gym, and have discovered strange looks and worried whispers, that quickly go away when I let them know the music I'm listening t... [+]

This is not for the faint of heart. Use this music when you are in desperate need of harder-than-advised-by-experts workouts, longer-than-really-necessary training sessions, or in search of self-produced adrenaline overdoses. I have personally tested this playlist in the gym, and have discovered strange looks and worried whispers, that quickly go away when I let them know the music I'm listening to..."Oh that's why you have that strange face...". I even deleted some Def Leppard because they sounded kind of whimpy around here... [-]