Here are XML files describing the internal MIDI recorder / player implementation for various Hauptwerk Instruments. My sincere thanks to those who have contributed!
Brut-LeuchtenOrgel
BureaChurchOriginal
HaverhillOldIndependentChurch-Extended
Hereford-Cathedral-23-Stop
Hereford-Cathedral-46-Stop
Hereford-Cathedral-67-Stop
Major I - American Classic Organ - Dry
Melcer Chamber Music Hall
Ott-Orgel
Paramount310
Skrzatusz
StAnnesMoseley
Veendam
Voxus Organs - Gapinge Torenkerk Hauptwerk V4
mijdrecht