Played with downloaded wav file.
Sound was a little muffled due to frequencies in about the 150 to 250 hertz range. Cut a few decibels in about that range and then
decided to boost a few decibels around 4000 hertz and above. Boosted volume a little and also added a little reverb.
Results:
http://dcoombsguitar.com/Temp/HerFavoriteAGF.wav