(NBC) - American blues rock guitarist Johnny Winter died Thursday at the age of 70.
Swiss police said Winter was found dead in his hotel room outside of Zurich.
Born in Texas and inspired by African-American blues, Winter began performing in his teens.
He became well-known for his blues music.
In 1968, Rolling Stone magazine named him the hottest musician outside Janis Joplin.
After he recovered from heroin addiction in the 1970's, he recorded one of his best known songs, "Still Alive and Well."
A prosecutor ordered an autopsy as the cause of death is unclear.
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