For SATB voices (superius, altus, tenor, bassus).
Title from colophon in tenor part.
"Impressum Forosempronii per Octanianum Petrutium civem Forosemproniensem : Anno Domini MDXV, Die XI, Augusti Dominante inclito ac excellentissimo Principe D[omi]no Fra[n]ciscomaria Feltrio de Ruere: Urbani Sonneq[ui] Duce, Pisauri & c. D[omi]no Alme Urbis Praefector "---Postcript page in Tenor part.
Latin postcript in tenor part, signed Petrus Bembus.
Title of 1st and 4th mass from MGG.
Incorrect series number printed on colophon: 96, corrected in manuscript by the publisher.
Reprint of the edition: Fossombrone : Ottaviano Petrucci, 1515, preserved in the Library of Congress, Washington, shelf number M1490 .M915.
Staff notation; Mensural notation.