What musical notes do you play on mythology island?

There are two uses for the reed pipe.

The first is the Minotaur door, which has 8 colors arranged numerically in a circle. The notes played to open the door are -- blue-blue-green-yellow-yellow-red-blue-green.

The second is the song played in the underworld to lull the three-headed dog Cerberus so that you can get a whisker from him. The 6 notes are given to you by the statue of Euterpe, and are -- blue-green-yellow-blue-red-green.