Avenged Sevenfold is an influential American heavy metal band formed in 1999 in Huntington Beach, California, known for blending aggressive metalcore roots with melodic, progressive, and hard rock elements. Their breakthrough came with the album City of Evil (2005), which showcased a shift toward a more polished and guitar-driven sound, featuring complex solos and anthemic choruses. Led by vocalist M. Shadows and guitarist Synyster Gates, the band is recognized for its technical musicianship and evolving style, later exploring experimental and conceptual territory in albums like The Stage (2016). Despite the tragic death of original drummer The Rev in 2009, the band has remained a major force in modern metal, earning a global fanbase and critical acclaim.