Hard rock

Hard rock is a loosely defined subgenre of rock music that emerged in the mid-1960s from the movements of garage, blues and psychedelic rock. [Citation needed] It is characterized by the use of aggressive lyrics with distorted electric guitars, a bass, drums and, on occasions, keyboards. Within its origins and influences one can mention styles and genres as varied as classic rock and roll, blues rock, garage rock, psychedelic rock and folk music but, from different points of view, it was eliminating external elements and indicate as own identity. [citation needed] The term hard rock usually encompasses derivatives and subgenres of rock that are "heavier" and "rougher" than traditional rock, among which heavy metal, grunge, glam metal, southern rock, can be mentioned. stoner rock, punk rock and even AOR among others, considered as sub-genres within hard rock, or genres derived from it.