Hint #1 or at least somewhere near the top of the list...

I can probably say this is my favorite piece of music literature. I also love its accompanying other "passion week" choruses. The quintessential baroque example of word painting (I don't know what quintessential means but my music history book in college used it a lot.) I like the ending

...the Lord hath laid on him, the iniquity of us all.

And here is my other favorite in the same section.