Educators have always known that getting emotions attached to learning material helps memorizing it. Did you ever doubt it?
Say you were trying to teach the lyrics of a song "I dreamed a dream" or you wanted to teach a group of kids (all adults) not to judge a book by its cover, you could show this video (which half the world seems to have seen already).
See the first 5 minutes and then if you disagree post a comment.
I rest my case. Go Susan Boyle. (My heart keeps telling my cynical side that this was not staged by the marketing gurus at "Britain has got talent").
If after watching the video, you want the lyrics, here they are:
Lyrics | Fantine - I Dreamed a Dream lyrics