Pianist Nahre Sol shows us how the styles of classical composers vary from each other. The contrast is made clearer as she uses the same song for each: "Mary Had a Little Lamb."
Some are so stylized that it's hard to hear the original melody, but you get the idea. Those who are intimately familiar with these composers will laugh in places. The rest of us will instantly recognize our favorite composer, whoever it is. The annotations help a lot. -via Metafilter