according to wiki

送交者: whoami 于 2016-01-05, 05:59:59:

回答: 是真人唱的。歌手是波兰女高音Ewa Malas-Godlewska 由允真于 2016-01-05, 04:46:11:

引用：

Farinelli's singing voice was provided by the Polish soprano, Ewa Malas-Godlewska and a countertenor, Derek Lee Ragin, who were recorded separately then digitally merged to recreate the sound of acastrato. 

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