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...