36 keyless Toyne organ, using 36 De Vries scale, recorded By Richard Broughton ( Note PF : The update of the virtual instrument correct somme issues of "note association"). We have 19 Melody pipes, 10 Accompaniment pipes, and 6 Bass pipes - exactly as with the Verbeeck 35 key organ.The Melody pipes are in three registers, all manually operated, and independent of one-another.The registers are Bourdon, Bourdon-Celeste and Violin.