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=001  1000000685
=041  ##$aLatin
=100  ##$aJean de Ockeghem$d1410-1497$0160
=240  ##$aMissa Prolationum: Gloria: Et in terra$kOrdinary of the Mass$m4vv$oMass section$0272
=245  ##$aChigi Codex
=300  ##$aparts, f.106v-114
=500  ##$aNA
=773  ##$w1000000075
=852  ##$aV-CVbav$cMS Chigi C.VIII.234$eBiblioteca Apostolica Vaticana$x87
=695  ##$amensuration canon$b1$c2$dex$e4th$fBelow$g0$hNA$oco$0342
=695  ##$amensuration canon$b1$c2$dex$e4th$fBelow$g4$hsemibreve(s)$o¿$0343