I have recently come across a multimedia and general search engine
which seems to work very well at an unbelievable speed.  You can try
it at  http://www.alltheweb.com/

To look for MIDI files just select the multimedia option / advanced
search/audio /midi.  The search engine will now search for MIDI files
of a specific title.

The results are tabulated by MIDI file names with along with size.
Just a click and you can download any file.  (I have my browser
configured so that the MIDI file will open up in Cakewalk.  Easy to
save and or modify.)

Phil Dayson