Question: What band was formed in the 1970s by the writer of Inconciente colectivo?
Sentence (from "Charly García"): Within his vast career he formed some of the bands long considered as the most popular in Argentina's rock history: Sui Generis in the 1970s and Serú Girán in the 1980s, plus cult status groups like progressive-rock act La Máquina de Hacer Pájaros.
Relevant evidence: Yes