Here is the Chorale
BWV 682 Vater unser im Himmelreich
5 voices on 2 Clav. e Pedale:
Canto fermo in Canone (R.H. // L.H.)
from "German Organ Mass" (2 clav. + Pedale)
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Haupwerk IV recording with 24 bit 48Hz stereo far beta version, using my Windows 7 laptop
PC (16 GB Ram and standard sound card, headphones), mp3 produced in 320 kbps.