From the passage provided, extract the alternative name of Lætitia Sadier.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.

### Instruction:
From the passage provided, extract the alternative name of Lætitia Sadier.

### Input:
Lætitia Sadier (born 6 May 1968, sometimes known as Seaya Sadier) is a French musician, best known as a founding member of the London-based avant-pop band Stereolab. 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.

### Response:

Lætitia Sadier (born 6 May 1968, sometimes known as Seaya Sadier) is a French musician, best known as a founding member of the London-based avant-pop band Stereolab. 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.
Lætitia Sadier also goes by Seaya Sadier.