Who was Keith 'Wonderboy' Johnson? Gospel music singer who passed away at 50

Johnson is known as the American blues legend who made the Mississippi Delta style famous. He mysteriously died on August 16, 1938 at the age of 27 and what caused his sudden death still remains unsolved.

Legendary rock guitarist Jimi Hendrix died on September 18, 1970. He died in London and the cause of his death was intoxication on barbiturates. He was possibly the first big well-known artist to "enter the 27 club", which later became a mysterious urban legend of its own.

Right after Hendrix's death at the age of 27 in 1970, 'The Doors' frontman, singer and songwriter Jim Morrison was found dead in the bathtub of a Paris apartment on July 3, 1971. According to reports, the cause of his death was heroin overdose.

'Nirvana' frontman and singer Kurt Cobain's death shocked the world. The 'Smells Like Teen Spirit' singer died on April 5, 1994. The cause was a self-inflicted shotgun wound to the head. He, too, was 27.

Winehouse was not only soulful when it came to singing, she was also an honest person who battled an addiction to drugs and alcohol for a long time. Amy Winehouse, the British R&B powerhouse, was found dead at her London home on July 23, 2011. She died due to alcohol poisoning.

The R&B singer from 'The Drifters' was well-known for songs such as 'On Broadway', 'Up On The Roof', 'Some Kind of Wonderful' and more. Rudy Lewis died on May 20, 1964 and his body was found in a Harlem hotel. It was suspected drug overdose.

English musician and composer Brian Jones, who was the founder and original leader of the band 'Rolling Stones' passed away on July 3, 1969. He drowned in the swimming pool of his home in East Sussex, England.

Famous blues singer Janis Joplin died on October 4, 1970 of a heroin overdose. She was found dead at the Landmark Motor Hotel in Hollywood.

Dave Alexander, a true rock star and original bassist for protopunk band 'The Stooges' died of pneumonia and an inflamed pancreas in 1975. He was 27. Several reports suggest that Alexander's alcohol abuse contributed to his early demise.