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.
Metalcore is a subgenre of hardcore that combines parts from hardcore and metal. Metal would be bands like Disturbed, Slipknot, and Korn. Hardcore would be bands like Underoath, From First to Last, and Terror. Metalcore bands would be bands like August Burns Red, For Today, A Plea For Purging (sort of [they're more on the metal side]), and The Devil Wears Prada (sort of [they're more on the hardcore side])