Anderson toured the world performing Chic's No. 1 hits, and sang backup for legends like Luther Vandross and Mick Jagger.

You're less likely to know the name Alfa Anderson, but you almost certainly know her voice. (SOUNDBITE OF SONG, "LE FREAK") CHIC: (Singing) Ah, freak out. Le freak, c'est chic. Freak out. THOMPSON: ...

She sang the famous refrain “Le freak, c’est chic” on one of the biggest hits of the disco era and was a sought-after ...

Alfa Anderson, who has died aged 78, was a singer with Chic, who took dance music to a new level in the late 1970s with such disco-funk masterpieces as Le Freak and Good Times; she went on to work ...

You're less likely to know the name Alfa Anderson, but you almost certainly know her voice. (SOUNDBITE OF SONG, "LE FREAK") CHIC: (Singing) Ah, freak out. Le freak, c'est chic. Freak out.

Alfa Anderson, one of the lead singers for Chic, died on Dec. 17. She was 78.Video above: Remembering those we've lost in ...

There were no demos’ Alfa Anderson, who has died aged 78, was a singer with Chic, who took dance music to a new level in the late 1970s with such disco-funk masterpieces as Le Freak and Good ...