Edition of the two surviving parts – the altus secundus and bassus – of King D. João IV’s motet “Anima mea turbata est” for six voices. The “altus secundus” of the motet is found in the “altus secundi chori” part-book ff. 57-58 and the “bassus” in the “bassus secundi chori” part-book ff. 57-58 of João Lourenço Rebelo’s “Psalmi tum Vesperarum, tum Completorii” (Rome, 1657).