Dayal Patterson bir İngiliz yazar. Heavy metal müziği hakkında kurgusal olmayan kitaplar yazdı ve Metal Hammer gibi bir dizi metal dergisine katkıda bulundu.
Metal as we know it today began largely with Black Sabbath, and in particular their self-titled debut album, recorded in 1969 and released on the auspicious date of Friday the 13th, February 1970.