Instrumental, Organ Solos, Organ Sonatas, Ritter, August (composer)

Jan Lehtola (organ)

Hermann Jordaan

Ursula Philippi (organ)

Johannes Lang (organ)

Matthias Neumann (organ)

Massimo Gabba (organ)

Alexander Koschel

Ulrich Bremsteller (organ)

Carleton Etherington (organ) (played on the Grove organ) (played on the Grove organ) (played on the Grove organ) (played on the Grove organ) (played on the Milton organ) (played on the Milton organ) (played on the Milton organ) (played on the Milton organ) (played on the Grove organ)

Markku Hietaharju (organ)

Terje Winge (Carsten Lund organ at the Bragernes Kirke in Drammen)

Ivan Bosnar (pipe organ)

Joachim Dalitz (organ)

Michael Harris (organ)

Anna-Victoria Baltrusch (Alte Tonhalle Organ, Neumunster, Zurich)