https://www.youtube.com/watch?v=2--vW8di_hM Metallica: https://www.youtube.com/watch?v=CD-E-LDc384 https://www.youtube.com/watch?v=xnKhsTXoKCI https://www.youtube.com/watch?v=4Y7MFK7d0dI Megadeth: https://www.youtube.com/watch?v=KBtYOI8U3Cc https://www.youtube.com/watch?v=Lcm9qqo_qB0 Iron Maiden: https://www.youtube.com/watch?v=HukVeVBva2k https://www.youtube.com/watch?v=waR64PqQKBo https://www.youtube.com/watch?v=7-iRf9AWoyE https://www.youtube.com/watch?v=CSvFpBOe8eY Slipknot: https://www.youtube.com/watch?v=6fVE8kSM43I Trivium: https://www.youtube.com/watch?v=IIvSXocE6YY Lamb Of God: https://www.youtube.com/watch?v=BA3hPMhXnkY Alestorm: https://www.youtube.com/watch?v=hJ_eVIZkjZE Blind Guardian: https://www.youtube.com/watch?v=YLOWdLj5EWI Black Sabbath: https://www.youtube.com/watch?v=LQUXuQ6Zd9w Delta Heavy: https://www.youtube.com/watch?v=DbCYsEMg09o https://www.youtube.com/watch?v=0jgrCKhxE1s