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Roberta Flack was an American singer and songwriter. She is best known for her 1972 hit song "Killing Me Softly with His Song". "Someday We'll All Be Free" is a song written by Buffy Sainte-Marie and released on her 1969 album Illuminations. It was later covered by Roberta Flack on her 1973 album Feel Like Makin' Love.