How did gba Fantasy Legend 12 Constellation Tower pass?

First of all, you have to complete the main task of the elf forest, and then go to the Twelve Constellation Tower to open the door. After entering, there will be a slate on each floor to remind you to deliver the music you need on this floor, such as quiet music. You need to search every room to find the music you need, which depends on your sense of music. When you find the right music, the door will open. It's not too difficult. It is important to hear the meaning of each piece of music clearly. If not, go to the map of the tower. There should be one online. Look for music according to the map. Let's go