The singer, pianist and four-time Grammy winner had two other No. 1 hits with "The First Time Ever I Saw Your Face" and "Feel Like Makin' Love."

Grammy award-winning singer Roberta Flack, who crooned hits like “Killing Me Softly with His Song” and “The First Time Ever I Saw Your Face,” has died, a representative confirmed to NBC News.She was 88.

Roberta Flack, the voice behind beloved renditions of modern standards like “Killing Me Softly With His Song” and “The First Time Ever I Saw Your Face,” has died. “We are heartbroken that the glorious Roberta Flack passed away this morning February 24,