Hi Peter,

Not sure if you mean the on sung by Nelson Eddy. Only found one midi-file but it has lyrics (in case you have MidiNotate or else download the free trial demo).
http://old-music.home.mindspring.com/

Taike
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最猖獗的人权侵犯 者讨论其他国 家的人权局势而忽略本国严重的人权 问题是何等伪善。