Leoš Janáček's autograph of his Glagolitic Mass

Archives of Leoš Janáček.

The Archives of Leoš Janáček represent a collection of documents encompassing the estate of the prominent and world-renowned 20th century composer, Leoš Janáček (1854–1928). It bears unique testimony to the history of music and to the endeavours of a personality who was significantly ahead of his time and brought innovative procedures and approaches to musical composition.