Gintama \\\"sad song\\\" (Theme from (anime)

My first tab I ever posted, from the anime Gintama (if anyone knows
it). It's the song that always plays in the background when smth sad
or serious happens...

-7 7 -7 6
-7 7 -7 6 -5 5 -5 6 -4

-7 7 -8 8 -9 8 7 8 -9 8 7 -6 6 -7 7 6

9 -9 -9 8 -9 9 -9 8 -9 8 7 7 

6 -6 7 -7 7 -8 8 -9 8 7 8 -9 8 7 -6 6 -7 7 6

(repeat)