mus pract p.227 Secu...
http://lila-erc.eu/data/lexicalResources/NLW/id/attestation/27626 <http://www.w3.org/nl/lemon/frac#Attestation>
mus pract p.227 Secu...
mus pract p.227 Secunda regula est hec, quod si in aliquo cantu vel ipsius parte reperiatur punctus divisionis inter semibreves ratione ipsarum ipsas dividens, tunc talis cantus vel pars infallenter dicitur esse temporis perfecti.