The late legend's catalog includes the No. 1s "Killing Me Softly With His Song" and "The First Time Ever I Saw Your Face," as well as several duets with Donny Hathaway.

The track became Flack’s fourth career hit on the Billboard Hot 100 in March 1972, and by mid-April, became the singer’s first No. 1. Six weeks at the summit fueled “Face” to the year-end ...