A rock festival, or a rock fest, is a grand scale event normally performed as outdoor rock music concert. The rock fest showcased multiple acts, that prolonged for many days. Rock music got popular during 1950s in America and Europe. Also called as “Rock and Roll” is primarily based on musical styles of rhythm and blues music generated from guitar, drums, and powerful vocals. Elvis Presley and the Beatles are hugely successful and popular rock music players. The first rock festivals started in 1960s and got huge fame by becoming important socio-cultural milestones. Today, many rock festivals are annual events featuring many blends of music such as pop, dance, and electronic. Get to know about Rock Festivals that occur around the world in almost in every county.