Robert Plant's interest in music began at an early age, entering the club scene at age fifteen. American blues artists such as Robert Johnson, Otis Rush, Buddy Guy, Muddy Waters and many more fascinated Plant as he studied their music incessantly. Rock & Roll pioneers such as Elvis and Gene Vincent were also great influences. He played with various groups in the 1960s such as The Crawling King Snakes, Listen, Hobbstweedle, and The Band of Joy (with John Bonham). After a session with Alexis Korner in 1968, Plant would soon be asked to join Led Zeppelin, and recommended Bonham as well. His style varies through the years as does his influences. Through Led Zeppelin, Plant was able to explore a variety of styles including heavy rock, folk, blues, Indian and Celtic. The quintesential rock vocalist and frontman, often immitated but never duplicated.