The origins of The Jaivas are in the family formed by brothers Eduardo, Claudio and Gabriel Parra, Vina del Mar. He and his friends and classmates from Liceo Guillermo Rivera Cotapos in Mountain Street within walking distance of the Quinta Vergara in Vinadel Mar, Eduardo “Gato” Alquinta, Mario Mutis and Felipe Trujillo, begin to discover music as a way to express your creativity and ongoing concern. Thus, the August 15, 1963, under the name The High & Bass, which referred to differences in height between the Parra brothers, Jack and Mario, made his first appearance at the Teatro Municipal de Vinadel Mar, playing, among others, the theme “Dream” by Luis Dimas. The presentation is disastrous and the public strongly disapproves. Over the next six years, and his training stable (Eduardo on piano, accordion Claudio, Gabriel on drums, Jack on guitar, Mario on bass and Philip danipercusiones and electric guitar), the band developed their musical proposal in festivities vinamarinos and social gatherings, playing mainly tropical music, cha cha cha, bossa nova and ballads, with good results. After years of testing and learning, the group sharply questioned his work, and influenced by the university reform and American ideals, decides to change its estilomusical to move from mere creators and performers give way to full musical improvisation and avant-garde . Between 1969 and 1971, and his name and Castilianized to Los Jaivas “, the band’s concerts are transformed into absolute improvisations that lasted many hours, without scripts or outlines prepared, and each musical instrument generating atmospheres of their own, even with help the audience, many of these improvisations are gone publicads recently, noticing the character of them. .