Otherwise known as ‘Rock & Roll,’ rock music has been a popular genre since the early 1950s. Rock music has its roots in string instruments. However, the genre now includes modern instruments; therefore, it is hard to give rock music an accurate definition. Characterized by loud, strong guitars and charismatic rock stars, some of the world’s greatest musicians have paved their way to fame via rock music.

Some of the greatest music artists of all time were considered rock stars. These include John Lennon, Jim Morrison, Elvis Presley, Freddie Mercury, and Mick Jagger.