Don't mess with the High Priestess of Soul.
Nina Simone's 1965 hit "Sinnerman" is an R&B classic ... but that doesn't mean a phone company can boldly rip it off ... so her heirs are suing for $1 Mil minimum ... TMZ has learned.
The lawsuit -- filed by Simone's estate -- accuses smartphone company HTC of using her song in its TV commercial without obtaining the rights.
We reached out and touched someone at HTC ... so far, no call back.
Nina Simone Lawsuit
If You Steal Her Song
You're A Sinner, Man
9/30/2013 12:15 AM PDT BY TMZ STAFF
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