The repertoire of the competition consists of organ music from the following categories: 1) classical French organ music (1650-1800) 2) organ music by Johann Sebastian Bach 3) German Romantic organ music suitable to the Kotka church organ 4) a selection of organ concertos:  - Carl Heinrich Graun: Konzert für Cembalo oder Orgel und Streichorchester F-Dur  - Joseph Haydn: Konzert für Orgel uns Orchester C-Dur Hob. XVIII Nr. 1   - Johann B. Vanhal: Concerto in F per l’organo, due violini e basso   Organ composers of the German Romantic style, whose works are recommended for the Kotka organ: Johannes Brahms (1833-1897) Niels W. Gade (1822-1890) J. P. E. Hartmann (1805-1900) Franz Liszt (1811-1886) Felix Mendelssohn (1809-1847) Gustav Merkel (1827-1885) Josef Rheinberger (1839-1901) Ernst Friedrich Richter (1808-1879) Johann Christian Heinrich Rinck (1770-1846) August Gottfried Ritter (1811-1885) Robert Schumann (1810-1856): Werke für Orgel oder Pedalklavier Op. 56, 58, 60 Louis (Ludwig) Thiele (1816-1848) Johann Gottlob Töpfer (1791-1870)