Dieterich Buxtehude (1637–1707). Praeludium in D, BuxWV 139
Max Reger (1873-1916). O Welt, ich muß dich lassen, op. 67 no 33
Max Reger. Wie schön leuchtet der Morgenstern, op. 67 no 49
Bengt Hambræus (1928–2000). Introitus from Missa pro organo
The organist was Karin Nelson, professor of organ at the Norwegian Academy of Music and member of the research group. The recorded performances took place on 23 June 2015. Three performances were made, all with the pieces played in the above order, with the ceiling at maximum, minimum and medium height, respectively.