2019 Mega Meta: “The Dark Side”

Here’s contest puzzle #13. Solve using the Crossword Compiler applet below, download a PDF, or use Across Lite.
The meta is a famous rock song whose title describes what I did 12 times to my copy of this grid before I wrote the clues.
Submit your answer to the meta using the form on the home page.

The Dark Side by Pete Muller