Lætitia Sadier

Lætitia Sadier (born 6 May 1968), also known as Seaya Sadier, is a French musician best known as a founding member of the London-based avant-pop band Stereolab. She was born in the east of Paris and spent time in the US as a child. In 1996, while Stereolab was still active, she formed the side project Monade. In 2009, the same year Stereolab became inactive, she ended the Monade project and began to perform solo work under her own name; her current band is known as the Lætitia Sadier Source Ensemble. She has frequently performed guest vocals and collaborations with other artists.

Biography from TMDB.