Janis Joplin died after a heroin overdose on Oct. 4, 1970.
October 4: Janis Joplin Died
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Janis Joplin, rock legend, dies at 27 in 1970 – New York Daily News
Janis Joplin's Death As Told in Newspapers
Janis Joplin - Wikipedia
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Haunted Hollywood: Revisiting The Last Day of Janis Joplin — The Clipboard of Fun
Since rock legend Janis Joplin died at 27, producers have spent millions to make a biopic about her — and it's finally happening
7 things you possibly didn't know about Janis Joplin - BBC Music
Janis Joplin dies of a heroin overdose, October 4, 1970
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