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."

Roberta Flack has died at 88. The Grammy Award winner was best known for her No. 1 singles "The First Time Ever I Saw Your Face," "Killing Me Softly with His Song" and "Feel Like Makin' Love." Flack was diagnosed with amyotrophic lateral sclerosis,

Roberta Flack's intimate vocal and musical style on "Killing Me Softly with His Song" and other hits made her one of the top recording artists of the 1970s and an influential performer long after.