=031  ##$aNA$dNA$eNA
=001  1000000991
=041  ##$aLatin
=100  ##$aJean Mouton$d1459-1522$0295
=240  ##$aPer lignum salvi facti sumus$kAntiphon$m5vv, 2 in 1, A & T1, S, T2, B$oMotet$0173
=245  ##$aRusconi Codex
=300  ##$aparts, f.81v
=500  ##$aNA
=773  ##$w1000000123
=852  ##$aI-Bc$cMS Q.19$eMuseo Internazionale e Biblioteca della Musica di Bologna (formerly Civico Museo Bibliografico Musicale, earlier Liceo Musicale)$x58
=695  ##$ainterval canon$b1$c2$dex$e4th$fBelow$g1$hsemibreve(s)$oC$0648