First, you go 2 the music museum place where the statues ask how they can inspire you today, then go 2 the right of the building untill you see a bucket of reed pipes, click on the bucket, and you will get a reed pipe. Then go 2 the statue that is holding a pipe, and click on her. You will then b offered 2 choices, to cancel, or 2 b taught a song. You will take a test, then if you pass she will teach you a song, blue green yellow blue red green. Go 2 the cerberus, play that song on the pipe, then click on the cerberus.
You have to jump alligators, etc. & thn you get 2 the ceberus, & you play the Blue Green Yellow Blue Red Green song on the reed pipe you got
1st go in to the music museum go to the far right and get a pipe then find the statue with the pipe she will tell you a song play that to the cerberus and it will fall asleep then you can take its whisker
Use your pipe and play "blue green yellow blue red green" and Corbieres will fall asleep