title: [The castrated singers].
mesh_terms: D000293:Adolescent; D000328:Adult; D002369:Castration / Q000266:history*; D002648:Child; D049668:History, 15th Century; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049691:History, Medieval; D006801:Humans; D007558:Italy; D008297:Male; D009146:Music / Q000266:history*; D012067:Religion / Q000266:history; D013030:Spain; D014831:Voice; D014833:Voice Quality
vernacular_title: Los cantantes castrados.