Preview of the edition of the two surviving polyphonic works by composer Mateus d’Aranda (or Matheo d’Aranda), mestre de capela and mestre da claustra at Évora Cathedral and later Lente de Música at Coimbra University, the motet “Adjuva nos Deus” and the two sections from a “Credo” for four voices (SATB). Polyphonia 11 ISMN 979-0-9007512-0-1 Work is fully available at http://mpmp.pt/produto/polyphonia-11-matheo-daranda-adjuva-nos-deus-credo/