Any MUDCATTERS have any first hand knowledge
or experience with a program called DART
[Digital Audio Restoration Technology]
Converts MIDIs to .WAVs and also allows for
playing a 78 RPM record at 33 RPM
[if you do not have a 78 RPM player] and
automatically plays back at correct speed
also supposed to remove/clean up noises...

FREE [limited use] DOWNLOAD available:

http://www.dartpro.com

And a program that claims to be able to produce chords from an audio wave of a song...DEMO version available at:

http://www.dubbeldam.com/