The organ: ten-note melody and hidden door

Number the pedals from left to right and play 8 → 9 → 10 → 13 → 12 → 6 → 7 → 5 → 4 → 1 in order to open the hidden door.

The numbers indicate pedal positions in the scene, not keyboard number keys. While playing, confirm each note has sounded before moving on.

Detailed steps

Visit the organ in Notre-Dame. Identify its row of 14 note pedals, numbered here from 1 to 14 from left to right.

Success signal：You can find the marked pedal positions in the scene.
Note：Count the pedals from left to right; do not play using the keyboard number keys.

The organ: ten-note melody and hidden door · 1
Melody note 1: activate pedal 8, counting from the left, then continue to the next note.

Note：Trigger them one at a time in order, and wait to hear each note before moving to the next pedal.

The organ: ten-note melody and hidden door · 2
Melody note 2: activate pedal 9, counting from the left, then continue to the next note.

The organ: ten-note melody and hidden door · 3
Melody note 3: activate pedal 10, counting from the left, then continue to the next note.

The organ: ten-note melody and hidden door · 4
Melody note 4: activate pedal 13, counting from the left, then continue to the next note.

The organ: ten-note melody and hidden door · 5
Melody note 5: activate pedal 12, counting from the left, then continue to the next note.

The organ: ten-note melody and hidden door · 6
Melody note 6: activate pedal 6, counting from the left, then continue to the next note.

The organ: ten-note melody and hidden door · 7
Melody note 7: activate pedal 7, counting from the left, then continue to the next note.

The organ: ten-note melody and hidden door · 8
Melody note 8: activate pedal 5, counting from the left, then continue to the next note.

The organ: ten-note melody and hidden door · 9
Melody note 9: activate pedal 4, counting from the left, then continue to the next note.

The organ: ten-note melody and hidden door · 10
Melody note 10: activate pedal 1, counting from the left. Once this final note sounds, go to the hidden door.

The organ: ten-note melody and hidden door · 11
After the ten notes, visit the marked hidden organ door and check whether the passage has opened.

Success signal：The hidden door opens and reveals the secret area.
Note：If the hidden door does not open, return to the pipe organ and recheck the ten-note sequence.

The organ: ten-note melody and hidden door · 12

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