1926 was a particularly successful and productive year for Leoš Janáček, who composed the opera The Makropulos Case, as well as Sinfonietta and the Glagolitic Mass, among other works.

Janáček wrote his Glagolitic Mass in just two and a half months, and it became one of the most important mass compositions. Distancing himself from all of the well trodden paths of the traditional genre, Janáček created a piece of sacred music that is so unique, it begs the question of whether it can be ca...