This is the key (password) to the music score you are looking for:
It consists of 8 letters: first five alphabets of the English language and first 3 numbers of our numbering system, all in small letters.
………………If you still dont get it. Let us answer the following questions:
What is the first 5 alphabets of english Language? answer: abcde
What is the first 3 number in our numbering system? answer: 123
So the key is to join these answers together to make it 8 letters.