It was particularly used by teens or the younger people in those days similar to the way people today use the word "freak".
The phenomenon which began in the 50's with the combination of , country music, and gospel.
Later, the musicians were dubbed 'Los Urbanos', because although they played acoustic guitars, the themes of their lyrics revealed the adverse conditions the working class had to face in the big cities, and blues forms were incorporated in their compositions.
Now it was renovated with a great performance show.
Representative bands of this period were: , , , , and many more.
Las Mary Jets, formed in 1959, were the first all-female rock band in Mexico.