And even though the Celtic Cross spread is in nearly every Tarot book and is used by Tarot beginners, many Tarot readers miss the deeper insights that are available in this complex spread.
Know (knowledge): The musical roots of Heavy Metal, including Hard Rock and the Blues. The specific influence on Heavy Metal by Hard Rock bands and artists such as the Kinks, Led Zeppelin and Jimi Hendrix. The historical and social context of Birmingham, England, during the late 1960s and early 1970s. Musical vocabulary associated with Heavy Metal music.
Four American bands, Anthrax, Megadeth, Metallica, and Slayer, are credited with popularizing the genre, earning them the title of the Big Four of Thrash. In Germany, Destruction, Kreator, Sodom, and Tankard, led the Teutonic thrash metal scene, garnering the nickname The Big Four of Teutonic Thrash.