After the military coup in October 1968, rock music was branded an alienating phenomenon by the government of General Juan Velasco Alvarado. There was a ban of concerts in key venues including a highly anticipated Carlos Santana concert in 1971. However, some AM radio stations continued to play rock music (such as Radio Miraflores, Radio 1160, and Radio Atalaya). Also, record companies continued to release LPs of rock bands (such as Led Zeppelin and Jimi Hendrix) in Peru. The movie Woodstock was shown in Lima every two or three years. Moreover, some bands left their mark, such as El Polen, Traffic Sound, Pax, We All Together, Telegraph Avenue, Black Sugar, Crossroads, Tripping Foxters, Red Amber (the first Peruvian progressive rock band), and Fragil (in the late 1970s). In the late 1970s, the band Breeze with Roxana Valdivieso released a self-titled album with English lyrics.
Peruvian rock descended into its most obscure era during the mid-1970s, losing the momentum it had laboriously gained. Disco and salsa dominated the airwaves for the remainder of the decade. Some rock musicians became jazz musicians, such as guitarist Richie Zellon.
1980s
During the late 1970s and early 1980s, Peruvian rock bands were confined to the underground scene; with no radio or TV support. The half-hour TV show Disco Club led by singer-songwriter Gerardo Manuel (Rojas) was an occasional exception. Fragil released its first LP in 1981. Nevertheless, because of the deep crisis that the country was suffering, Peruvian rockers looked for a way to channel their frustrations. In this environment, it is no surprise that British punk rock became a major influence to a few young Peruvians rockers of this era, and quickly a small "underground" scene started brewing parallel to the free-again 'mainstream' scene. Bands like Leusemia, Narcosis, Autopsia, Guerrilla Urbana, Zcuela Crrada formed part of the first wave. The members of these bands were mostly from poor neighborhoods, but a few came from upper-class neighborhoods and had learned English in their schools.
Bands like Fragil, Rio, Miki Gonzales, Pax, JAS, Imagenes, Trama, Danai y Pateandolatas came from upper and middle-class backgrounds, uncovering the social division in Peruvian society. According to some scholars (mainly left-wing thinkers), the 'underground' scene was by far richer in creativity, though lacking technical skills; others thought the 'commercial' scene was more worthwhile, since the underground scene only reached a few hundred supporters per concert and was focused in the capital of Lima, being virtually unknown to the rest of the country.
Quickly several bands started appearing and creating subgenres within the umbrella 'underground' scene. Radio or TV support was nonexistent for them (the mainstream bands did have some), poverty and lack of technology prevented most bands from recording any moderate-quality material. Despite all this, the present and future looked much brighter than in the 1970s, since these bands, especially the mainstream ones, were pioneers in the rock scene after the 1975–1985 downturn.
At the same time, an underground scene of death metal and black metal developed in Lima, influenced by European bands. Local bands such as Mortem and Kranium were formed in the 1980s.
1990s
The further growth of the underground scene and the liberalization of Peruvian society and economy allowed rock musicians to create sub-circuits, and rock became very diverse. Some of the best (but not necessarily best known) rock bands from Peru came out during this decade. Leusemia became the leaders of not only the 'underground' faction, but of all Peruvian rock, undergoing a change from very basic rock band to a prolific and influential group that included rock anthems, ballads and symphonic, almost progressive rock. For those who liked the 1980s post-punk, Dolores Delirio, Voz Propia and Cardenales were among the best at the goth sound.
Due to financial difficulties and lack of support from promoters, most bands had to play the same few venues, where they build loyal and knowledgeable fanbases. Although the concerts were very small at the beginning (typically 50 people), as the decade progressed, more young people started to notice these bands and fill bigger venues with 500, 1000, or 2000 people. Towards the end of the decade, major concerts like "Acustirock", "El Niño Malo", "Antimiseria" and "Inrockuptibles" each brought in at least 10,000 fans.
Peruvian media began to pay attention to these bands in the late 1990s, giving exposure to bands of a decidedly more upper-class and 'safer' sounding rock. The most prominent bands of 'mainstream' 1990s Peruvian rock were Nosequien y Los Nosecuantos, Miki Gonzales and Arena Hash. From this last band, Pedro Suárez-Vértiz went on a solo career and became the most commercially successful Peruvian rocker of the decade.
The black metal and death metal scene remained an underground, with a few bands releasing self-produced material. Bands included black-metal acts Illapa, Belzec, and Nahual; and death-thrash metal acts like Dark Silence, Ensalve, and Hadez. Many conflicts between bands (which include trash-talking and rivalries) and critical political and economic issues led to the breakup of many metal groups.
A mature and prolific rock scene soon gained exposure due to the improved economic presence of Peru in the region. Peruvian TV and the Latin American division of MTV took notice of Peruvian bands, and included them in their shows ahead of the Peruvian mainstream radio. Peruvian rock videos were in normal rotation alongside regionally known acts like Soda Stereo, Shakira and Jaguares.
Dozens of new bands kept coming out and most of the 1990s bands were still playing and improving their recordings. The albums of the early rock banks, including Los Saicos, Traffic Sound, and We All Together were released on CDs. Radio stations became more receptive of mainstream Peruvian Rock, given its recent commercial success. Most of the Peruvian media continues to not promote popular underground acts such as punk and reggae.
2010s
During the 2010s, many groups have emerged in the larger cities of Peru, especially in Lima. The growing world scene of psychedelic rock had led to the psychedelic sound being mixed with other genres, influencing Peruvian bands Cholo Visceral (blending with prog rock), Los Silver Mornings (vintage rock), Spatial Moods (blues), Onerom (jazz), and The Dead End-Alley Band and El Jefazo (stoner rock). In some Internet articles it is called "Nueva Psicodelia Latinoamericana" as a way to differentiate it from other kinds of psychedelic rock music that have emerged in Latinamerica during the 1970s, 1980s or 1990s.https://noisey.vice.com/es_co/article/el-despertar-de-la-nueva-psicodelia-en-latinoamerica-parte-2