The oldest written evidence of polyphonic choral singing dates from the late 1300s to around 1420 with the Old Hall Manuscript (pictured to the left).

最古老的合唱日期的书面证据和弦左从1300年代后期至约1420年的旧霍尔的手稿（图）的保护。

youdao

The oldest written evidence of polyphonic choral singing dates from the late 1300s to around 1420 with the Old Hall Manuscript (pictured to the left).

最古老的合唱日期的书面证据和弦左从1300年代后期至约1420年的旧霍尔的手稿（图）的保护。

youdao