James Alan Hetfield is an American musician and songwriter best known for being the co-founder, lead vocalist/rhythm guitarist and main songwriter for the American heavy metal band Metallica. Hetfield is mainly known for his intricate rhythm playing, but occasionally performs lead guitar duties and solos, both live and in the studio. Hetfield co-founded Metallica in October 1981 after answering an advertisement by drummer Lars Ulrich in the Los Angeles newspaper The Recycler. Metallica has won nine Grammy Awards and released ten studio albums,…