Activate the central instrument with a 9-note sequence. Sequence Attributed (VGTimes); hear it on the phone one floor up.
| Step | Action | Codes link | Status |
|---|---|---|---|
| 1 | Reach instrument room in Ch11 depths | Ch11 | Attributed |
| 2 | Optional: phone upstairs for melody · or open cabinet note after a wrong try | — | Attributed |
| 3 | Enter 1-2-4-6-4-5-3-7-2 | Codes · music row | Attributed |