It is very fun, the technique of singing while you learn, have fun and are in a pleasant environment and in the same way you recognize the work of the artist that you guide to use the class with the theme of the song. and in the case of the videos shown was a very fun thing was also in my psychology class my teacher devised that strategy so that we learned many qualities of our parents and so we know the bad and the good, because our parents are the example that we have at home, that way she would know in the environment that we lived.
Greetings and thanks for appreciating the subject.