Osakana Rescue
Rainy Tune

Oh, Sounds came down!
Don't you have unused MIDI files?
RainyTune plays them with so awesome animations.
Music Sheet

Music Sheet is a MIDI player for Windows.
It has a emulated wavetable synthesizer. You can listen to your MIDI files like a game music.
.NET Framework 4.5+ and DirectX 9.0 are required to run this app.