Bob Dylan's influence on popular music is incalculable. As a songwriter, he pioneered several different schools of pop songwriting, from confessional singer/songwriter to winding hallucinatory, stream-of-conscious narratives. As a vocalist, he broke down the notions that in order to perform, a singer had to have a conventionally good voice, thereby redefining the role of vocalist in popular music. As a musician, he sparked several genres of pop music, including electrified folk-rock and country-rock. And that just touches on the tip of his achievements.His biggest hits have become rock staples, such as ‘Knockin on Heaven’s Door’, ‘Like a Rolling stone”, ‘All Along the Watchover’ and ‘Mr Tambourine Man’.While continuing to tour extensively, Dylan has also recently released ‘Chronicles Volume 1’, the first in a series of autobiographical collections of tales from his life.