<homer>Mmmmmm. Tasty FID goodness...</homer>

Still, I wonder what happens at FID 0xAC430. This is a good sign! I also had the player console open (serial) while testing a track that was over the 0x6FFF boundary. No console error messages or warnings. The player app did increment the play count on the track data screen, but the data did not survive a reboot. Kind of expected.