Premise: Bob Dylan . Leaving behind his initial base in the American folk music revival , his six-minute single `` Like a Rolling Stone '' , recorded in 1965 , enlarged the range of popular music . Dylan performs with guitar , keyboards , and harmonica . His accomplishments as a recording artist and performer have been central to his career , but his songwriting is considered his greatest contribution .
Hypothesis: Bob Dylan performs along with music.
Label: ENTAILMENT