Conversation so far:
What was Nina Simone's temperament?
Simone was known for her temper and frequent outbursts.
DId she have children?
Simone abandoned her daughter Lisa Simone Kelly for years.
What did Nina do that was dangerous?
In 1985, she fired a gun at a record company executive.
Why did she fire the gun?
she accused of stealing royalties.
Did she see a doctor for her problems?
Simone took medication for a condition from the mid-1960s on.
What was the name of her biography?
Break Down and Let It All Out.
Who wrote her biography?
Sylvia Hampton and David Nathan.

Question: Was she friends with any other singers?
Self-contained rewrite: Was Nina Simone, friends with any other singers, besides Sylvia Hampton?