John Hartman, who is a drummer, passed away at the age of 72

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John Hartman is the co-founder of the Dobie Brothers and Wild Spirit announces his death.

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John Hartman was the great drummer in his time and showman during his time at Dobbies.

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John Hartman Only then it is not confirmed that what was the reason for his death.

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A close friend of John Hartman said that he was a very good personality and had a complex personality.

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John Hartman's friends express their condolences to his family in this difficult time.

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John Hartman started playing drums at Bay Area bars.

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John Hartman became the leader of the band in 1969 and moved to Northern California.

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