The Sibelius Society of Finland (fi|Sibelius-Seura ry, sv|Sibelius-Samfundet rf) is a society in Finland dedicated to the music of the Finnish composer Jean Sibelius. It was set up in December 1957.[1] [2] The Society and the Ministry of Education opened the composer and his wife Aino's Järvenpää house Ainola as a museum in 1974. Since 1965 they have also organised the international Sibelius competition in violin every five years.[3]