Youtube Video coming soon... "Hearts of Iron" is an outlaw rock song forged in fire and asphalt. Hearts of Iron is about loyalty, loss, and riding forward no matter the cost. outlaw rock, hard rock, biker rock, gritty rock, heavy guitars, raw vocals, modern hard rock, anthem rock, brotherhood, freedom, road anthem, motorcycle rock, dark rock, cinematic rock, rebel rock, underground rock, independent rock, rock anthem, American rock, heavy drumsmore