IsoGrego

Find the top n Gregorian chants most similar to a given one, sorted by cosine TF-IDF similarity of the GABC files.

Last sync with GregoBase: 2025-12-19. Max GregoBase ID: 20393.

🎩 tip: "How to compute the similarity between two text documents?" StackOverflow question. Originally inspired by "examples of same setting, different texts?" MusicaSacra forum thread. See the source code on GitHub.

See, e.g.: 1961 Solesmes Liber Usualis

Click on the chant name to expand/contract the collapsible. Click the chant image to open it up in GregoBase. Click the 🔍 to find similarities to the given chant.

  1. 🔍 100% Crastina eritCrastina erit
  2. 🔍 92% Crastina eritCrastina erit
  3. 🔍 60% Crastina dieCrastina die
  4. 🔍 57% Crastina... eritCrastina... erit
  5. 🔍 56% Crastina dieCrastina die
  6. 🔍 53% Crastina erit vobisCrastina erit vobis
  7. 🔍 49% Crastina erit vobisCrastina erit vobis
  8. 🔍 48% Crastina eritCrastina erit
  9. 🔍 46% Crastina... eritCrastina... erit
  10. 🔍 45% Crastina erit vobisCrastina erit vobis
  11. 🔍 45% Crastina erit vobisCrastina erit vobis
  12. 🔍 38% Crastina EritCrastina Erit
  13. 🔍 36% Levate capitaLevate capita
  14. 🔍 34% Tu BethlehemTu Bethlehem
  15. 🔍 34% Tu BethlehemTu Bethlehem
  16. 🔍 34% Tu BethlehemTu Bethlehem
  17. 🔍 34% Missus est GabrielMissus est Gabriel
  18. 🔍 34% Missus est GabrielMissus est Gabriel
  19. 🔍 34% Completi sunt diesCompleti sunt dies
  20. 🔍 34% Hodie scietisHodie scietis
  21. 🔍 34% Tu BethlehemTu Bethlehem
  22. 🔍 34% Deus a LibanoDeus a Libano
  23. 🔍 34% Deus a LibanoDeus a Libano
  24. 🔍 34% De Sion veniet DominusDe Sion veniet Dominus
  25. 🔍 34% De Sion veniet DominusDe Sion veniet Dominus
  26. 🔍 34% Natus est nobis DeusNatus est nobis Deus
  27. 🔍 33% Egredietur DominusEgredietur Dominus
  28. 🔍 33% Egredietur DominusEgredietur Dominus
  29. 🔍 33% Domine in caeloDomine in caelo
  30. 🔍 33% Domine audiviDomine audivi
  31. 🔍 33% Domine Deus meus in te speraviDomine Deus meus in te speravi
  32. 🔍 33% Natus est nobis hodieNatus est nobis hodie
  33. 🔍 33% Completi sunt diesCompleti sunt dies
  34. 🔍 33% Multiplicabitur 1 (Mode 1g)Multiplicabitur 1 (Mode 1g)
  35. 🔍 33% De nocteDe nocte
  36. 🔍 33% Populus meus aitPopulus meus ait
  37. 🔍 32% Ave MariaAve Maria
  38. 🔍 32% Dicite PusillanimesDicite Pusillanimes
  39. 🔍 32% Dicite PusillanimesDicite Pusillanimes
  40. 🔍 32% Vigilate animoVigilate animo
  41. 🔍 32% Vigilate animoVigilate animo
  42. 🔍 32% Iudaea et IerusalemIudaea et Ierusalem
  43. 🔍 32% Quam admirabileQuam admirabile
  44. 🔍 32% Ave MariaAve Maria
  45. 🔍 32% Ecce completaEcce completa
  46. 🔍 32% Dignus es DomineDignus es Domine
  47. 🔍 32% Inclinavit DominusInclinavit Dominus
  48. 🔍 32% In die tribulationisIn die tribulationis
  49. 🔍 32% Domine clamaviDomine clamavi
  50. 🔍 32% Scitote quia propeScitote quia prope
  51. 🔍 32% Scitote quia propeScitote quia prope
  52. 🔍 31% Ego autem ad DominumEgo autem ad Dominum
  53. 🔍 31% Ego autem ad DominumEgo autem ad Dominum
  54. 🔍 31% LaudaboLaudabo
  55. 🔍 31% Ut cognoscamusUt cognoscamus
  56. 🔍 31% Ut cognoscamusUt cognoscamus
  57. 🔍 31% In illa dieIn illa die
  58. 🔍 31% Multiplicabitur 1Multiplicabitur 1
  59. 🔍 31% Miserere mei DeusMiserere mei Deus
  60. 🔍 31% In DominoIn Domino
  61. 🔍 31% Illumina DomineIllumina Domine
  62. 🔍 31% Adorate DominumAdorate Dominum
  63. 🔍 31% ConsolaminiConsolamini
  64. 🔍 31% Libera nos Deus (Mode 1f)Libera nos Deus (Mode 1f)
  65. 🔍 31% Reges terraeReges terrae