I too have had tinnitus for a long time, but so far is not debilitating. Visit https://www.tinnitustalk.com/ There are many, varied discussions there that may help you.
While scanning the wiki Jody mentioned, I saw a link to the American Folklore Society. On the AFS Home page I noticed a piece of folk sport - duckpin bowling. A little off topic, I suppose, but interesting to me, anyway.
I have used, sparingly, I'm afraid, a program called Functional Ear Trainer. There are other Solfege progs around too. My HS Chemistry teacher used to say Hear it, Write it, Say it, Remember it.
Someone in Bonanza's production company liked concertinas. In "First Love", a young woman plays. Not visible in this screen grab, the sides are pierced with round holes.
You don't need to install VLC or Pot Player. Both can be found at www.portableapps.com. Don't like either? Delete the folder you "install" (really it's just an extraction) to.