Found via `codespell -q 3 -S *.po,./share/patchfiles,./libs -L ba,buss,busses,doubleclick,hsi,ontop,ro,seh,siz,sur,te,trough,ue`
So far this is only used for MIDI, missing audio files are already handled by asking a user to locate them. The same approach doesn't work for MIDI, since there cannot be externally referenced (embedded) .mid files (since MIDI is destructive).
