Mauricio "Moris" Birabent, born November 19, 1942, in Buenos Aires, Argentina,
is an Argentine rock singer, songwriter, and pioneer of Spanish-language rock.
His career began with the band Los Beatniks, which released the 1966 single
"Rebelde" / "No finjas más", causing controversy that brought him into the
public eye. After collaborating with La Cueva regulars including Javier Martínez
and Pappo, he released his debut solo album, 30 Minutos de Vida, in 1970,
featuring the song "El Oso". He followed with Ciudad de Guitarras Callejeras
(1973) before emigrating to Spain in 1977, wh...