Well, that was unexpected...
Had a follow-up appointment with the audiologist today. Music seems a bit 'thin', and I asked her if there was an adjustment possible. Short version: yes. Longer version: the hearing aids are biased somewhat towards the treble end, and use compression to clarify sounds. So, she flattened the response such that there is much more low frequency boost and almost no digital compression such that the sound coming through is much more 'even', and certainly less fucked with.
She asked if I wanted to test it with something off of youtube. (Sadly, I had neglected to bring my guitar which I've been using to test sound in both ears.) I asked her to bring up Lauridsen's 'O Magnum Mysterium'.
After about 30 seconds I started crying. Uncontrollable sobbing. In front of a stranger.
Am I losing my sanity? Or just heartbroken at going deaf, if even it's just partial. But oh to lose these beautiful, beautiful sounds...
http://www.youtube.com/watch?v=lO5MheI0A8o