=031  ##$a1.20.1.$dNA$eCanon: ... <incipiendo> tenorem et crescendo regatur concordans tenoris cito formatus sub diapente ad purum examen flexu deponitus amen et principium dantes sint absque tenore meantes cum quod prosequitur tenor a capite exoriatur.
=001  1000000455
=041  ##$aLatin
=100  ##$aDominicus Vala$dfl. c1430-1440$0255
=240  ##$aCredo (Patrem)$kOrdinary of the Mass$m3vv, 2 in 1 (Tenorista [=Ct] and T @5th) with C$oOrdinary setting$0103
=245  ##$aNA
=300  ##$aparts, f.10v-11
=500  ##$aNA
=773  ##$w1000000018
=852  ##$aI-Bu$cMS 2216$eBiblioteca Universitaria$x59
=695  ##$aproportional canon$b1$c2$dto$e5th$fBelow$g8$hbreve(s)$oc$078