| 1888 | Suite petita per a cordes, op. 1 | Confirmat | 17' |
| 1888 | Symphonic Rhapsody | Confirmat | 12' |
| 1892 | Simfonia núm. 1 en sol menor, op. 7 | Confirmat | 35' |
| 1897 | Hymnus amoris, op. 12 · cor | Confirmat | 24' |
| 1902 | Simfonia núm. 2, op. 16 “Els quatre temperaments” | Confirmat | 35' |
| 1903 | Obertura Helios, op. 17 | Confirmat | 12' |
| 1906 | Maskarade — Dance of the Cockerels | Confirmat | 5' |
| 1906 | Obertura de Maskarade | Confirmat | 5' |
| 1908 | Saga-Dream (Saga-Drøm), op. 39 | Confirmat | 10' |
| 1910 | At the Bier of a Young Artist | Confirmat | 5' |
| 1911 | Simfonia núm. 3, op. 27 “Sinfonia espansiva” | Confirmat | 38' |
| 1911 | Concert per a violí, op. 33 | Confirmat | 36' |
| 1916 | Simfonia núm. 4, op. 29 “The Inextinguishable” | Confirmat | 36' |
| 1918 | Pan and Syrinx, op. 49 | Confirmat | 9' |
| 1919 | Suite Aladdin, op. 34 | Confirmat | 20' |
| 1922 | Springtime on Funen (Fynsk Foraar), op. 42 · cor | Confirmat | 22' |
| 1922 | Simfonia núm. 5, op. 50 | Confirmat | 35' |
| 1925 | Simfonia núm. 6 “Sinfonia semplice” | Confirmat | 35' |
| 1926 | Concert per a flauta | Confirmat | 19' |
| 1927 | An Imaginary Trip to the Faroe Islands (Rhapsody Overture) | Confirmat | 8' |
| 1928 | Bohemian-Danish Folk Tune | Confirmat | 6' |
| 1928 | Concert per a clarinet, op. 57 | Confirmat | 24' |
| — | Romanza, op. 2/1 | TBD | — |