Peter Frankopan, The New Silk Roads: The Present and Future of the World (London: Bloomsbury, 2018), p. 219.
148
Tinctoris, preface to Proportionale musices (1472–1473), quoted in R. C. Wegman, Born for the Muses: The Life and Masses of Jacob Obrecht (New York: Oxford University Press, 2003), p. vi.
