American Nightmare are one of the most important and influential hardcore/punk bands of the last two decades.
Their volatile mix of traditional American hardcore, English influenced attitude, and emotional lyrical prose set a new creative standard for the worldwide hardcore community. In their brief existence their sphere of influence was far reaching. Serving as the bellwether to the giants of punk (AFI, New Found Glory, etc.), metal/hardcore (Hatebreed, GlassJaw, Converge, etc.), and even contemporary popular music (Fall Out Boy, My Chemical Romance, etc.).