In 2004, in an article entitled "On Some Apparent Sketches for Sibelius's Eighth Symphony", the musical theorist Nors Josephson identifies around 20 manuscripts or fragments held in the Helsinki University Library as being relevant to the symphony and concludes that: "Given the abundance of preserved material for this work, one looks forward with great anticipation to a thoughtful, meticulous completion of the entire composition".
En 2004, nun artigo titulado "On Some Apparent Sketches for Sibelius's Eighth Symphony", o teórico musical Nors Josephson identifica arredor de 20 manuscritos ou fragmentos custodiados na Biblioteca da Universidade de Helsinqui como relevantes para a sinfonía e conclúe que: "Dada a abundancia de material preservado desta obra, un espera con grande expectación unha reflexiva, meticulosa finalización de toda a composición".