The following links provide .wav files of the Parchments, which are based on studies by Gary Chaffee
Parch #1.wav
Parch #2.wav
Parch #3.wav
Parch #4.wav
Parch #5.wav
Parch #6.wav
Parch #7.wav
Parch #8.wav
Parch #9.wav
Parch #10.wav
Parch #11.wav
Parch #12.wav
Parch #13.wav
Parch #14.wav
Parch #15.wav