1. Play the puzzle on the wall.
2. recover the puzzle, hints on it.
3. Count those line with music note and you will find out 1352.
4. So tap in 1352 to collect a pliers from inside.
5. Now use the pliers to cut the lock at below and collect a crowbar from there.
6. Now use crowbar to break the middle pedal below the piano and collect a key.
7. Use that to open the cabinet on the right hand side and collect an extension wire and a box of matches.
8. Use matches on the candle on top of the piano and you can reveal the hints “BEETHOVEN”.
9. Now tap below the desk on the left, replace the extensions wire.
10.Tap the desk and turn on the table lamp to reveal the hints “1770″.
11. So now you can tap the statue on top of cabinet on the right hand side. Tap in “BEETHOVEN” and “1770″ to collect the key.
12. Now use that key to open door and escape.
