原文: Hi sunt quos retinens. An official at the cathedral described this as a 16th Century edition of Guerrero's works. Francisco Guerrero.
译文: 弗朗西斯科·格雷罗. 无伴奏合唱. 神圣,经文歌. 语. Latin. SATB. From a printed volume displayed in a glass case at this page at the cathedral in Quito, Ecuador.