Matthew Sanders, better known by his stage name M. Shadows, is an American musician, singer, and songwriter, best known as the lead vocalist of the heavy metal band Avenged Sevenfold. Born on July 31, 1981, in Huntington Beach, California, he co-founded the band in 1999. Avenged Sevenfold is known for its blend of metalcore, hard rock, and progressive metal, characterized by elaborate guitar work and orchestral arrangements. Notable works by the band include albums such as "City of Evil" (2005), which featured the hit single "Bat Country," and "Nightmare" (2010), which was a tribute to the late drummer Jimmy "The Rev" Sullivan. Their 2016 album "The Stage" showcased a more experimental approach, incorporating themes of artificial intelligence and existentialism. M. Shadows has had a significant impact on the metal genre, helping to popularize a modern sound that blends various influences. His distinctive vocal style and stage presence have inspired a new generation of metal musicians. Avenged Sevenfold's success has also contributed to the broader acceptance of heavy metal in mainstream music, making them one of the leading bands in the genre today.