Title page:

Opus Aureum.|| Musice castigatissimū || de Gregoriana et figuratiua atq𝔷 con||trapūcto simplici percōmode tra||ctans om̃ibꝰ cantu oblectā-||tibus vtile et necessa-||rium e diuersis || excerptum.|| Fata regunt finem. spero dij cepta secundent || Qui ducis vultus & non legis ista libenter || Omnibus inuidias. liuide nemo tibi.||

Colophon:

fol. H5r: ¶ Explicit opusculū musices oībꝰ volentibꝰ cantū vtrū-||q𝔷 tam Gregorianum q̃𝔷 etiam Figuratiuū scire summe ne||cessariū fausto fine Impressum Colonie in officina ho-||nestoꝝ liberoꝝ pie memorie Henrici Quentell. Anno || domini. M.ccccc.qͥnto.||

Cologne

Theory book

This is a new edition of vdm 362; the musical examples are the same; the layout is very similar.
Melchior Schanppecher is the author of the last two parts of the book, the Musica figurativa.

1v: Epigramma Ad lectorem.
A2r-v: In musicam prefatio.
H5v: Nicolaus Wollick de Serouilla Artium magister domino Ade Popardiensi ... in gymnasio Corueliano regenti Salutem. P. D.

Latin

Autopsy copy:

GB-Lbl K.1.h.6

D-Mbs, D-B (1), US-Wcm, A-Wn