Heavy metal music - Wikipedia
5 amazing underground metal bands
The 50 Greatest Japanese Metal Bands of All Time - Spinditty
The Badass Metallica Trivia Book: Uncover The Epic
Best Heavy Metal Bands Of All Time: Top 5 Legendary Rockers
Heavy Metal History - Origins, Influences, and Evolution of a
This one's for Lawrence of Arabia! Meet Sabaton, the heavy metal
VARIOUS ARTISTS - Metal Ballads - Vol. 1: From The Underground
100 Best Heavy Metal Bands of the '80s - Spinditty
Top 50 Metal Bands of All Time
The History of Metal Music – Giant Drag Music