If you were going to offer advice on that last conundrum, it's probably too late, because I've gone and messed it up anyway.
I went back to tape and finally got something that doesn't look too too bad.
This is first-stage "inking," or preliminary cleanup of the line art. I'll need to darken some of those lines, I think, because right now they're very weak, and the eyes just jump out of the picture (too much).
How to play a Hammond organ
4 hours ago