Choralis constantinus - Cuyler, Louise Elvira 1908-.; Senfl, Ludwig 1492-1555.; Catholic Church (Ann Arbor University of Michigan Press, 1950)
For discantus, altus, tenor, and bassus.
The original edition is in 3 vols., 1550-55, vol.3 finished by Ludwig Senfl after the death of Isaac. Vols. 1-2 were later published in 1898-1909 in Denkmaler der Tonkunst in Osterreich, v.10, 32.
Settings of texts from the Gradual. "The content of the third book seems to fall ... into four groups: (1) commons of the Saints and of the Blessed Virgin; (2) tracts; (3) second musical versions for a number of the propers which appeared also in the second book ... (4) settings of portions of ten offices which do not occur in either of the two previous books." p.16.
Critical and analytical commentary: p.[1]-49. Bibliography: p.51-54.
Keywords: Part-songs, Sacred -- To 1800.