Possible Clues:

• Singer dubbed the "High Priestess of Soul"
• 'To Be Young, Gifted and Black' singer
• "Mississippi Goddam" singer
• Singer who said, "Sometimes I sound like gravel, and sometimes I sound like coffee and cream"
• Jazz singer born Eunice Kathleen Waymon
• "Feeling Good" singer
• “To Be Young, Gifted and Black” singer
• "To Be Young, Gifted and Black" singer
• Singer who had a 1959 hit with "I Loves You, Porgy"
• Jazz great with the album "High Priestess of Soul"