Instrumental, Organ Solos, Chorale Preludes, Karg-Elert (composer)

Stephen Cleobury (organ)

Arno Landmann (organ), Johannes Diebold (organ), Kurt Grosse (organ), Walter Fischer (organ), Gustav Knak (organ), Thaddeus Hofmiller (organ), Joseph Messner (organ), Alfred Sittard (organ), Gunther Ramin (organ), Karl Matthaei (organ), Karl Straube (organ), Otto Dunkelberg (organ)

Robert Noehren (organ)

Daryl Robinson

Mario Telnekes

Evan Bogerd

Lucas Lindeboom

Robert Kovacs (organ)

Judith Hancock

Franz Lehrndorfer (organ)