Los Jaivas - Los JaivasChilean folk rock progressive rock group band. Los Jaivas appeared in Chilean music in 1963 as a progressive rock andino group, mixing rock with South American ancestral music. The Parra brothers, [a=Claudio Parra (2)] (keyboards), [a=Eduardo Parra] (keyboards) and [a=Gabriel Parra] (drums), met [a=Gato Alquinta] (vocals) and [a=Mario Mutis] (bass) in their childhood and joined to play music. They acquired fame in Via del Mar, by playing at diverse