The video starts with a woman in a wheelchair, her headphones covering her silver hair, her eyes closed. When the music by Tchaikovsky starts playing, her arms move: slowly, majestically, in an arc overhead, forming the port de bras, a ballet position that every student knows by heart. Her face, which was vacant a second ago, narrows with some emotion that resembles recognition. This is Marta C. González Saldaña, an elderly woman living in a care home in Valencia, Spain. Her