The concept behind this show is superb, and has been very helpful for me and my kids grasping spanish. However, all the songs are sung completely out of tune. This is damaging for kids ears, and they should NEVER be exposed to out of tune singing in such an intentional manner.Repeated watching of these videos might improve the childrens language learning, but it will simultaneously impede their ability to develop musical ability. (The videos have already pushed my daughter backwards in her music learning, and we have only watched 5 of them. However, she lost perfect pitch thanks to these videos...)