Some of the bands considered part of the movement had formed as early as the late 1980s, but did not become influential or reach popular standing until the following decade.
The term was reportedly coined by Mark Hunter, vocalist of the American metalcore band Chimaira, in 2001.
[2] This is due in part to the growing addition of bands that assimilate to common styles in NWOAHM (as defined below), yet have not differentiated greatly enough as to garner a new genre moniker.
[5] One description by longtime metal author Garry Sharpe-Young helps classify the NWOAHM as a "marriage of European-style riffing and throaty vocals".
[5] Sharpe-Young lists the broad range of styles in the new wave of American heavy metal movement as ranging from the Christian metalcore scene, the 1970s-inspired progressive rock of Coheed and Cambria, melodic death metal, and the screamo and "sub-Gothique" emocore of Alkaline Trio and My Chemical Romance.