“…A mnemonic in the form of a song, however, has additional dimensions -some borrowed from the poetry of its lyrics, some from its music and some from their interaction. Imagery, rhyme, metaphor, rhythm, melody, emotion, humor and more, combine memorably to encode and retrieve information, and thus free students' attention for the task of developing a deeper understanding of the material [5,64]. For example, 'Circle Song' [37] (below) uses the tune that helps English-speaking children learn the alphabet, to help students recall, or even just distinguish between (since some students remember both formulas, but not which one is which), the area and circumference formulas for a circle.…”