The fifteenth composition from manuscript ecker III.8.63, held at the Städtische Bibliotheken Leipzig is a rather ambitious one. Called "Transitus per omnes tonos" it promises a passage through all tonalities. The compositions does not touch all posibly tonalities, but it certainly goes through a lot of sharps and flats. It is actually a bit too much for the fifth comma mean-tone temperament of the Polná sample set.
The recording was done with the Hauptwerk software and the demo sampleset, made by Sonus Paradisi, of the Sieber organ in the Church of the Assumption of the Virgin Mary, Polná (https://www.sonusparadisi.cz/en/organs/czech/polna-sample-set.html).
Score available here: https://partitura.org/index.php/josef-ferdinand-norbert-seger-transitus-per-omnes-tonos-l-15
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