What was Mr. Holland trying to get Stadler to appreciate about music by taking him to Lou Russ' funeral?

that is good that you know it

answer: the feeling it gives you when you look at it.

explanation:

in every single medium of art, you are supposed to feel something that makes it art. like how a song can make you cry, or how a photograph can make you nostalgic. art is very important for expressing yourself as well, when you are happy, sad, depressed, or angry.

12-bar blues chorus = a a b