Cipher

im pretty stuck on lvl 9..i dont know what to find.. or if i need to find something.. i dont know what note are they trying to find in this level.. i tried to look for the source but its just like the same with the other source.. - a reply would be helpfull.. Find what's wrong with this level. yeah...

im pretty stuck on lvl 9..i dont know what to find.. or if i need to find something.. i dont know what note are they trying to find in this level.. i tried to look for the source but its just like the same with the other source..
- a reply would be helpfull..