Content: Revised edition of Theoricum opus musice discipline, Naples, 1480.
Citation/reference: Hain-Copinger 7406; Proctor 6055; Panzer II, 69, no. 391; Gaspari Cat. della Biblioteca del Liceo musicale di Bologna, I, p. 216-217. ; Catalogue of the valuable library of the late Edward Francis Rimbault (London: Sotheby, Wilkinson & Hodge), p. 32, item 593.
Content: Signatures: 4 leaves unsigned, a8, b-i6, k8 (verso of [kviij] blank) 68 leaves without foliation or catchwords.
Content: Type 108. Leaf 279 x 195 mm. 38 lines to the full page. Woodcut illustrations and diagrams, the t.-p. cut showing Gaffurio (?) at the keyboard of an organ. Initial spaces with indicators.
