Which artist appeared a language of their own performed a film of a them song?

The artist you're referring to is likely Björk, who is known for her unique artistic style and innovative music. In her film "Biophilia Live," she showcases songs from her album "Biophilia," blending music with themes of nature and technology. Björk often creates a distinctive language through her lyrics and visual presentations, making her work a compelling fusion of sound and imagery.