What should I do in the spaceship?

Hint 1 of 5:

Have you been reading the books in the library?

Hint 2 of 5:

The one for this age has a picture of a keyboard that's remarkably similar to
the one in the spaceship.

Hint 3 of 5:

Start by playing each of the notes in the order given to you in the book.

Hint 4 of 5:

Then look at the five sliders on the other side of the ship.

Hint 5 of 5:

You need to copy these notes in order (first note on the left, etc.).