This is only melody part of viola and i think flute.
It is really easy, plays just on one string.
There is one part where viola and flute plays one on top of another,
i will mark it.
Viola part.
e -3-5-7-3-8-2-7---7-5-2---2-3-0---3-5-7-3-8-10-7---7-5-2---2-3-0------------|
b ---------------------------------------------------------------------------|
g ---------------------------------------------------------------------------|
d ---------------------------------------------------------------------------|
a ---------------------------------------------------------------------------|
E ---------------------------------------------------------------------------|
[ Tab from: https://www.guitartabs.cc/tabs/y/yasuharu_takanashi/hakubo_tab.html ]
Following flute part.
e -5-8-11-15-14---15-14-12-10-7-5---5-8-11-15-14---15-14-12-10-10-12*--------|
b ---------------------------------------------------------------------------|
g ---------------------------------------------------------------------------|
d ---------------------------------------------------------------------------|
a ---------------------------------------------------------------------------|
E ---------------------------------------------------------------------------|
And again viola, starts with flutes 12* (E) note.
e -3-5-7-3-8-2-7---7-5-2---2-3-0--(Sorry, couldn't get the last "chord")-----|
b ---------------------------------------------------------------------------|
g ---------------------------------------------------------------------------|
d ---------------------------------------------------------------------------|
a ---------------------------------------------------------------------------|
E ---------------------------------------------------------------------------|
12* - here you have to hold it, but if you do,
you will be late for viola part.
It overlays, they both start playing at 12* note (E).