Hey mate, just catching up with some articles.
Thanks for sharing this and your personal experiences, it's important to share.
I've been visited by the black dog a couple of times in the past 25 years. And now, depression and anxiety are ever present as non-motor symptoms of Parkinson's. They will not be leaving. Music does help so much. What I play when I need something varies dramatically, maybe something uplifting like Nada Surf, or something heavy like Opeth.
Jon Brion is ace. I love Bachelor No. 2 as well! I assume you have The Grays, and his solo album. The most "nothing can fuck with me" song I know is Walking Through Walls off Meaningless, co-written by Grant-Lee Phillips.