Diego Ortiz – Recercada Quinta: sobre tenores Italianos (Passamezzo Antico)
 
One of Ortiz’s eight sets of divisions on Italian ground basses for viol from his Trattado de Glossas, 1553. This album includes backing tracks at A=440 and A=415 in meantone temperament at the following speeds:
Minim = 40
Minim = 45
Minim = 50
Minim = 55
Minim = 60
Minim = 65
 
Also included are tuning tracks for both pitches.
Download the music here.