Hamlet is a five-piece heavy metal band from Madrid, Spain. They formed in 1987 and are still active. They are signed to Kaiowas Records and have released ten albums, their most recent being Amnesia which will be released in September 2011. They are the pioneers of metalcore and alternative metal in Spain with their albums Sanatorio de Munecos (1993) and Revolucion 12.111 (1996).