The band was formed in 1964 in Montevideo, Uruguay by brothers Hugo Fattoruso (lead guitar and keyboards) and Osvaldo Fattoruso (rhythm guitar), after watching the movie A Hard Days Night.
Hugo Fattoruso
Vocals, guitar, piano, harmonica
Osvaldo Fattoruso
Guitar, vocals
Roberto “Pelín” Capobianco
Bass, Bandoneon, vocals
Carlos “Caio” Vila
Drums, vocals