Diego Ortiz – Recercadas Sobre El Canto Llano "La Spagna"
 
These accompaniment tracks work with the six Recercadas on the cantus firmus ‘La Spagna’, which form part of Ortiz’s Trattado de Glossas, 1553. There are 2 versions of the accompaniment (labelled A and B) which might suit different Recercadas depending on taste.  Backing tracks are at A=440 and A=415 in a mild meantone temperament at the following speeds:
Minim = 80
Minim = 90
Minim = 100
Minim = 110
Minim = 120
 
Download the music here.