Changes

[[Elvis Presley]] and [[Buddy Holly]] were early pioneers of Rock in the late 1950s, as were the [[Beatles]] and [[Rolling Stones]] throughout the 1960s. In the 1970s the stadium progressive rock of bands such as [[Boston]] started to decline in popularity, and [[Pink Floyd]] became formulaic and overwrought, setting the stage for a backlash new style called [[Punk rock]] which evolved, with became popular. In the addition of synthesizers80s, into [[New wave]] well into the 1980sshowed up and became popular. By the latter half of that decade, [[Glam rock]] had stultified into MTV-friendly "hair metal", and the stage was set for Nirvana and the Seattle scene, a darker and heavier version of punk rock subgenre known as [[Grunge]]. By 1994 and the death of [[Kurt Cobain]], grunge had changed into the stable formula of alternative rock that continues to be popular today.

Rock music sometimes includes lyrics that promote drug use, immoral sex, and violence, but the same is true for many other forms of music as well.<ref>[http://www.ericbarger.com/articles/RockMusic.html]</ref> <ref>[http://www.temcat.com/Chritian-Living/battle.htm]</ref> Some say that anti-Christian sentiment is the driving force behind Rock music. <ref> [http://www.jesus-is-savior.com/Evils%20in%20America/Rock-n-Roll/nature.htm The Nature of Rock Music] </ref>