I don't know why I didn't think of it sooner, but I just started a playlist that includes any tune that cheers me the fuck up. Artists, genres, instruments, singers; it doesn't matter, just so long as the tune passes the test: It cheers me the fuck up.
I've found working on the playlist when depressed to be somewhat daunting, so I recommend doing this when you're feeling good, if you want to try it yourself.
Caring for my Mom during her last years, I noticed music seemed to totally cut through her dementia/Alzheimer's, and subsequently noted several research articles on Alzheimer's that made good mention of music's effects on patients.
Pure joy (which, for me, includes music) seems to nullify or bypass the stultifying intellect which is, after all, only a means of conveyance.
The upshot: I was walking around my old college stomping grounds, visiting Boston for a Photoshop conference. …