Almost all mainstream performance art forms have been adapted for Early Years audiences, including theatre, dance, opera, musical theatre, classical music, art installations and puppetry.[13] In theatrical productions, forms vary widely. Fairy tales, picture books and traditional children’s literature have all provided inspiration for narrative productions,[14] as have commercial TV and film franchises, such as Sesame Street and Disney on Ice.[15] Other productions create original stories or use more abstract, postdramatic forms.[16] Francoise Gerbaulet, French theatre maker, has noted "I am always deeply surprised by the seriousness of infant spectators. Babies do not understand, they absorb, the sound of voices, the music of words, anxiety, fear, grief, violence, love, they absorb them all...