27 Club, The Rock & Roll Year

Kurt Cobain: April 5 1994 he committed suicide

Jimi Hendrix: September 18, 1970. Jimi did not actually die of a drug overdose, but from improper first aid: he choked to death on his own vomit because his head was held in the wrong position.

 Brian Jones: July 3, 1969. The Rolling Stones guitarist was found drowned in his swimming pool. "Death by misadventure", though conspiracy theories abound.

Robert Johnson: August 16, 1938. His voice made him sound older, but he was 27. No, he didn't sell his soul to the devil. Widely rumored to have died from poisoning.

 Janis Joplin: October 4, 1970. Died from a heroin overdose.

 Jim Morrison: July 3, 1971. Probably a heart attack, though no autopsy was performed.

 Alan Wilson: September 3, 1970. Death by drug overdose.