Use it to get into the Minotaur's lair as well as to put Cerberus to sleep.
Question: How do you put Cerberus to sleep in mythology island in Poptropica? Answer: It is pretty simple because all you have to do is get the pipe tune from the muse of music (you can find that inside a really musical looking sort of building) you have to get it because it is really important. You go to where Cerberus is then you play the pipe tune that you learned from the muse of music. you get out your pipe and you play it. That is how you get Cerberus to go to sleep in Poptropica
Get a reed pipe from the temple of Apollo and click on one of the statues there to learn a song. Then play the song to cerberus and click on him.
You have to get the song from the Muse of Music in the temple of Apollo.
You play him the song you learned earlier on the reed pipe.
Play the tune the lady with the reed pipe gave you.
Play the song one of the Muses gave you on your reed pipe. This will make Cerberus fall asleep and you can get its whiskers.
To lull Cerberus to sleep, play the song from Euterpe at the Temple of Muses. The reed pipe song is blue-green-yellow-blue-red-green.
on your reed pipe play blue green yellow blue red green
First you have to get the reed pipe and learn the song from the statue of the lady with the pipe in Apollo's museum thing. Then, you have to pass to the underworld by jumping and ducking and moving from the stalactites, skulls and crocodiles. Then, when you get to Cerberus, play the song you learned, and he'll fall to sleep. Click on his muzzle and you'll get the hair.
The three-headed dog creature is guarding the realm of Hades. Use the pomegranates from the Garden of the Sphinx as an offering at the Temple of hades, and travel across the River Styx to where Cerberus waits. (You can lull him to sleep with the reed pipe, playing the tune blue-green-yellow-blue-red-green.)
You just get a reed pipe to the right of the common room (Gym) and then you do the same tunes the women with a reed pipe (statue) will give you then she will give you this song and then you will go to cerberus and play the tune that will be in your backpack and cerberus will go to sleep.