This statement is false because there are alot of decorations that they created that where similar in some way.
F major (or the key of F) is a major scale based on F, with the pitches F, G, A, B♭, C, D, and E. Its key signature has one flat. Its relative minor is D minor and its parallel minor is F minor. F major is the home key of the English horn, the basset horn, the horn in F, the trumpet in F and the bass Wagner tuba.
Answer:
Attach the image,
I'll edit this post and answer your question.
Well if you put several vertical lines that progressively get smaller on a piece of paper it will give the illusion of depth!
