Elvis Presley: An iconic figure often referred to as the "King of Rock 'n' Roll," who popularized the genre and became one of its most influential performers.
Counterculture: A cultural movement that emerged primarily among young people in the 1960s, characterized by opposition to mainstream values and embracing alternative lifestyles, including a deep appreciation for rock 'n' roll music.
British Invasion: Refers to a wave of British rock bands, such as The Beatles and The Rolling Stones, gaining popularity in the United States during the 1960s.