Rock was born in 1954 and is a mix of jazz, blues, and other sounds. It developed into a flashy style of music popular among 12 to 30-year-olds. However, the document asserts rock can also be an artistic form of expression and stress relief. While many types of rock music emerged as genres split off, the document's favorite bands are Pink Floyd, Metallica, Led Zeppelin, Iron Maiden, AC/DC, and Manowar. It concludes that the most important thing is enjoying whatever musical genre one dedicates themselves to.