(READ NOTES AND CREDITS BEFORE READING AND PLAYING) You have to drag the Icons to the grey people (Polos) and you make Music out of the characters. If you drag the red horn icon, It'll turn to phase 2. In phase 2, it'll turn scary. here's all the answers: when you click William on the keyboard, it'll access the horn and you don't need to answer the question. The answer to the code/ question is william.
For @BaggerHead