Music from the Earliest Notations to the Sixteenth Century

10 Hermann Finck, Practica musica ... exempla variorum signorum, proportionum et canonum, iudicium de tonis, ac quaedam de arte
suaviter et artificiose cantandi continens (Wittenberg, 1556), quoted in George Nugent with Eric Jas, “Gombert,” The New Grove
Dictionary of Music and Musicians (2nd ed., New York: Grove, 2001), Vol. X, p. 119.