In NUMBER@1 PERSON@1 composed the festive motet MISC@1 rosarum flores , one of his most famous compositions , which was sung at the dedication of ORGANIZATION@1 's dome of the cathedral in LOCATION@1 , where PERSON@2 lived in exile .

In NUMBER@1 PERSON@1 composed the festive motet MISC@1 rosarum flores , one of his most famous compositions , which was sung at the dedication of ORGANIZATION@1 's dome of the cathedral in LOCATION@1 .
