wrote:

I have a modern i7 machine with Windows XP and Microsoft's
GS Wavetable SW for MIDI which sounds different than the
one I remember in Win95/98 when I used Voyetra AudioStation
to mess with MIDIs.

Just in case you're interested, I played your sample midi file:

http://sprott.physics.wisc.edu/midi/GROOVE.MID

On my win-98 system (with on-board AC-97 audio) and while it was
playing, I used sndrec32.exe to record it to a wav file. If you want to
hear what this midi file sounds like, here's the wav file:

http://www.fileden.com/files/2012/6/...408/groove.wav

The file is about 10 mb in size.