活页乐谱

原文

Agnus Dei XVIII. Anonymous. Gregorian chant. Piano , with chords. Sacred , Mass. Unison. Gregorian Chant. ex editio Vaticanus. Considered by many the oldest melody.

译文

Agnus棣XVIII. 匿名. 格里高利圣咏. 钢琴，与和弦. 神圣的，质量. Unison. 格里高利圣歌. 前梵谛冈EDITIO. 许多最古老的旋律考虑.