Hello my name is Alejandro and I am the creator of this wonderful book which deals with rock music and metal

Let's start with the history of rock:

Rock is one of the most know and universal musical genres.As such,it emerged in the twentieth century with rock and roll,Some creationists of music,believing that "let there be rock",consider Fats Domino and his song Fat man (1949) the origin of the genre,while others say that the merit belongs to the very king of rock ELVIS PRESLEY

The name of the genus is derived from "rocking and rollin" and originally marine expression referring to the movement of boats