![](https://mdw.ac.at/altemusik/blog2/wp-content/uploads/2021/01/0420-22-universum-rei-harmonicae-concentrum-absolvunt-v3-e1610710581152-845x321.jpg)
John Griffiths: Imaginary Interchangeability: notation, keyboards and lutes in the sixteenth century.
Domen Marincic: “nach seinem selbst gefallen mit der Mensur wexln”: Varying the Beat in 16th-Century
Keyboard Music on Account of Ornamentation and Changing Note-Values