Cobain was the driving force, - guitarist, singer and song writer - in the grunge band Nirvana that achieved sudden and unexpected success in the early 90s.
Cobain was no doubt the greatest talent of his generation in rock n roll. And he became the icon of the youth of the world who recognized his ennui, liked his wit and his clothing style - not to speak of his heavy guitar riffs.
Kurt Cobain was evidently suicidal for a long time before his death. All the same conspiracy theorists argue that Cobain could not possibly have killed himself, because the drug overdose would have killed him before he could fire the shotgun.