La Cofradía de la Flor Solar, formed in 1968, is a seminal Argentine rock band known for their pioneering contributions to the country's progressive rock scene. Their debut single, "Sombra fugaz por la ciudad" / "La mufa," released in 1969 under the VIK label, marked their official entry into the music industry. In 1970, they performed at the first B.A. Rock festival, sharing the stage with iconic bands like Los Gatos, Manal, and Almendra, and received acclaim as the festival's revelation. Despite initial challenges in securing a record deal, La Cofradía's innovative sound and dynamic performances have left a lasting impact on Argentine rock history. ([viajeroinmovil.com](https://www.viajeroinmovil.com/en/banda/31/?utm_source=openai))