| Era | Late 1960s and early 1970s |
| Genre | Rock Music subgenre |
| Influences | Krautrock • African rhythms • Aggressive performance styles |
| Fan base name | Audiotormentors |
| Pioneer bands | Neu! • Les Enfants Terribles • Free • Black Sabbath • Deep Purple |
| Characteristics | Distorted electric guitars • Pounding rhythms • Experimental edge derived from avant-garde classical and jazz music |