An avid music fan, author, and journalist, Matt Karpe has written for multiple print and online magazines over the last decade, including Powerplay Rock & Metal Magazine, and the punk and hardcore publication, Down For Life. Tool On Track is Matt's sixth book overall, his previous releases being We Own the Night: The Underground of the Modern American Hard Rock Scene; two volumes of Nu Metal: Resurgence, Nu Metal: A Definitive Guide, and Korn On Track. He lives in March, Cambridgeshire, UK.