原文: Missa Fons bonitatis. The groups of coloured notes containing minims are in “proportio sesquialtera”, the other ones are “hemiolæ”.
译文: The Kyrie is troped, the Christe has the 4th verse of the trope while the 5th would be expected. 匿名. 无伴奏合唱. 神圣的,质量. 语. Latin. ATB.