Ednardo, Walter Franco, Jorge Mautner, Jards Macalé, Taiguara, Arnaldo Baptista (Mutantes) and Sérgio Sampaio. Marku Ribas is the side more Black music of this group and was Bob Marley's friend in the 1970s, Jamaica, where he lived. On the other hand, Tim Maia, directly influenced by Soul music side of the Jovem Guarda, made several hits and his style influenced bands like Placa Luminosa and Skowa e a Máfia in the 80s. There were some efforts to realize festivals in Brazil in the 1970s. In 1971 the "Festival de Verão de Guarapari" (Guarapari Summer Festival) tried to be a great hippie meeting but with mistakes in the organization of the event - however is historic, with shows by Milton Nascimento and Som Imaginário, A Bolha, Novos Baianos, Luiz Gonzaga and Tony Tornado. A fresh attempt was the Primeiro Festival de Iacanga (First Iacanga Festival - State of São Paulo - 1975), in a big farm, with a better structure, a milestone of the Brazilian underground, with the bands: Jazzco, Apokalypsis, Som Nosso de Cada Dia, Moto Perpétuo, Ursa Maior, Rock da Mortalha, Orquestra Azul, and others. The first Hollywood Rock happened in Rio, 1975 too, with the shows of Raul Seixas, Rita Lee, O Terço, Vímana and others. There were two great international shows in Brazil in the 1970s: Alice Cooper (1974) and Genesis (1977). In the late 1970s, the progressive reference still was felt in Guilherme Arantes and 14 Bis (band). Disco influence The disco music, which arrived in Brazil in the 1970s, influenced some rockers like Rita Lee and Zé Rodrix. As Frenéticas were an instant phenomenon with its mix of Brazilian rock and disco. Punk The Brazilian punk rock scene was born in the late 1970s in São Paulo and Brasília with Restos de Nada, AI-5, Joelho de Porco, Condutores de Cadáver, and Aborto Elétrico, among others. The first show was in 1978 in São Paulo and the punk "boom" was when the 1980s began, with Inocentes, Cólera, Ratos de Porão, Garotos Podres, Plebe Rude, Ignoze, Olho Seco, Mercenárias, Lobotomia, Ulster, Fogo Cruzado, Coquetel Molotov (from Rio de Janeiro), Replicantes (from Porto Alegre), Devotos (or Devotos do Ódio, from Recife), Beijo AA Força (from Curitiba), and many others, mostly from São Paulo. The first records from the end of the 1970s to the 1980s were issued by dint of the demo-tapes because Brazil was living a dictatorial