Similar expressions are to be on the same wavelength or to sing from the same song sheet or to sing from the same hymn sheet.

类似的表达有 be on the same wavelength、sing from the same song sheet 和 sing from the same hymn sheet。

And through writing chants down, the church could ensure, literally, that monks singing at the furthest outpost of the empire of Christendom, literally sang from the same hymn sheet.

通过把圣歌写下来教会可以保证，毫不夸张地说，在基督教帝国最遥远的前哨，和全国的人们唱同一首赞美诗。