a musical setting of certain parts of the Mass,especially the Kyrie,Gloria,Credo,Sanctus,Benedictus,and Agnus Dei

• 弥撒的某些程序的背景音乐（伴奏），尤指启应祈祷乐、求怜经乐、荣归主颂乐信经乐、圣哉经乐、散那颂乐、本尼迪颂乐和阿格尼迪颂乐的颂歌乐