Simplify the following text for a Grade 10 native English-speaking person.
Original: On her debut album for Philips , Nina Simone In Concert ( live recording , 1964 ) , however , Simone for the first time openly addressed the racial inequality that was prevalent in the United States with the song `` Mississippi Goddam '' .
Simplified: She began to record songs about her African-American origins and racial inequality . She recorded a live album called Nina Simone In Concert which included the song `` Mississippi Goddam '' .