Dylan never held himself to any preset conventions—he was extremely punk in that way. He never marched to the beat of anyone else's drum. He was uniquely himself, and he never took any unsolicited advice from anyone else. Dylan inspired "counterculture music, and thousands of bands have been following in his footsteps since.
Johnny Cash
Johnny Cash stirred up the world with his stark views on social justice and his conscious effort to de-stigmatize American perceptions built through the media. Cash made a lasting impact with his "prison tour," where he traveled to play for inmates in prisons around the country for free.
He was also pivotal in the media movement to give back native lands and preached the plight of the Native American people. Cash found his way into three different halls of fame, both from his masterful lyricism and masterful instrumentation. Ring of Fire is still one of the most played songs of all time.
Dave Grohl
The former drummer of Nirvana kept pushing on his way up to stardom even after the death of his good friend and former frontman, Kurt Cobain. After Cobain's death, Grohl transitioned to the front of the stage and became the frontman for his very own rock band called the Foo Fighters