My "International Composite Harmonium" is now ready.
The sample set is free and available for download.
Visit the site https://www.jepisi.re/harmoniums
for all the information and instructions for installation and use.
There are also photos and audio examples.
The collection of Posthumous Pieces was published 15 years after the death of César Franck, by his son Georges.
These are pieces written by Franck for one of his student organist from 1858 to 1863.
Here is a piece by César Franck (1822-1890) recorded with this instrument:
Pièces Posthumes N°39 Noël Offertoire Minuit in Dm