Sigfrid's Unbeaten Tracks: Harmonium Music transcribed and played on the Link-Gaida Organ of St Pauluskirche, Ulm

33 Portraits for Harmonium, Op. 101, No. 12: Quasi Concertino per Clarinetto (Alla Weber)

33 Portraits for Harmonium, Op. 101, No. 14: Impromptu interrompu (Alla Chopin)

33 Portraits for Harmonium, Op. 101, No. 18: Vorspiel zu einem Drama (Alla Wagner)

33 Portraits for Harmonium, Op. 101, No. 20: Frauengunst (Alla Johann Strauss)

33 Portraits for Harmonium, Op. 101, No. 19: Duetto d'amore (Alla Verdi)

33 Portraits for Harmonium, Op. 101, No. 25: Am Hardanger Fjord (Alla Grieg)

Harmonium Sonata No. 2, Op. 46: I. Enharmonische Fantasie und Doppelfuge

Harmonium Sonata No. 2, Op. 46: II. Canzone

Harmonium Sonata No. 2, Op. 46: III. Toccata