Watch Movies2Watch. Cambio madre por moto is a chamber opera by the Belgian composer, Frank Nuyts to an original libretto by the best-selling Spanish author Rosa Montero. With a light touch and in contemporary Spanish, Rosa Montero’s funny libretto tells the story of a husband and wife who want to divorce and discuss this with their children for the first time. To make matters worse, the husband’s mother and the lawyer turn up. The latter is a family friend and a specialist divorce lawyer, but he turns out to be rather closer to the mother than expected; all ingredients for incisive dialogues full of familiar arguments back and forth. ‘The children come first!’ is the parents’ mantra, but whether this is actually the case remains to be seen…