The founding of the of 1934 reflects the serious study of past genres and music librarianship that has provided the foundation on which modern music departments now rests.

Explanation:

The Art of Musical Notation In its primary sources, music merges with the ... invention he created the basis of a system that has remained alive in modern practice. ... the support of bass instruments, it provided a sure foundation for a musical fabric ... young Liszt, rested solely, as it does now, on his genius of piano pedagogy.

i would say the answer is b. zigzag lines of the leaves. i believe this is the answer because zigzag lines go in different direction while the other options like: the vertical lines of the trees, the dotted lines on the road, and the curved lines of the park benches go in one direction.

i believe their role is to instruct certain sections on when they are to join and when they are to stop