Mirrored music

It crossed my mind what would happen if one mirrors music. By that I do not mean playing music backwards but mirroring all the notes, using a reasonable note somewhere in the middle of mostly used notes as a mirror, let us say between c' and c''. Here are some examples what is going to happen:
For the time being, I have these examples to show you.
 NormalMirrored
Gunshot OrchestraLISTENLISTEN
Computer ScienceLISTENLISTEN
Ringing TuneLISTENLISTEN
Ave Maria (Bach)LISTENLISTEN

If you use a d as a mirror, this is how the notes must be changed:

Of course, I am not the first one to have had this idea. There even is a command \inversion at Lilypond by which you can turn the written score around.
Pétik Rossmanith