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: 2025-12-20. 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% Pastores loquebanturPastores loquebantur
  2. 🔍 53% Pastores loquebantur ad invicemPastores loquebantur ad invicem
  3. 🔍 46% Pastores veneruntPastores venerunt
  4. 🔍 44% Angelus ad pastoresAngelus ad pastores
  5. 🔍 41% LoquebanturLoquebantur
  6. 🔍 30% De nocteDe nocte
  7. 🔍 29% Facta est cum angeloFacta est cum angelo
  8. 🔍 29% Te qui in SpirituTe qui in Spiritu
  9. 🔍 29% Benedictus Dominus DeusBenedictus Dominus Deus
  10. 🔍 29% Ad te de luceAd te de luce
  11. 🔍 28% Mandatum novumMandatum novum
  12. 🔍 28% In DominoIn Domino
  13. 🔍 28% Hoc est praeceptumHoc est praeceptum
  14. 🔍 27% In die tribulationisIn die tribulationis
  15. 🔍 27% Nato DominoNato Domino
  16. 🔍 27% Salus aeterna mundoSalus aeterna mundo
  17. 🔍 27% Ponent DominoPonent Domino
  18. 🔍 27% Ponent DominoPonent Domino
  19. 🔍 27% Ostende nobis DomineOstende nobis Domine
  20. 🔍 27% Domine in caeloDomine in caelo
  21. 🔍 26% Viderunt oculi 1Viderunt oculi 1
  22. 🔍 26% Magnum mysteriumMagnum mysterium
  23. 🔍 26% Multiplicabitur 1Multiplicabitur 1
  24. 🔍 26% Crastina dieCrastina die
  25. 🔍 26% Domine clamaviDomine clamavi
  26. 🔍 26% Sancti viceruntSancti vicerunt
  27. 🔍 26% Erexit DominusErexit Dominus
  28. 🔍 26% Videbunt gentesVidebunt gentes
  29. 🔍 26% Si manseritisSi manseritis
  30. 🔍 26% Peccati aculeusPeccati aculeus
  31. 🔍 26% In hoc cognoscentIn hoc cognoscent
  32. 🔍 26% Dextera DominiDextera Domini
  33. 🔍 25% Confirma hoc DeusConfirma hoc Deus
  34. 🔍 25% Alleluia audiviAlleluia audivi
  35. 🔍 25% In illa dieIn illa die
  36. 🔍 25% Qui verbum meumQui verbum meum
  37. 🔍 25% Discerne causamDiscerne causam
  38. 🔍 25% Crastina dieCrastina die
  39. 🔍 25% Orate pro persequentibusOrate pro persequentibus
  40. 🔍 25% Ibant parentesIbant parentes
  41. 🔍 25% Vidimus stellamVidimus stellam
  42. 🔍 25% LoquebanturLoquebantur
  43. 🔍 25% Omnes de SabaOmnes de Saba
  44. 🔍 25% Miserere mei DeusMiserere mei Deus
  45. 🔍 25% Populus meus aitPopulus meus ait
  46. 🔍 25% Verbum caro factumVerbum caro factum
  47. 🔍 25% Hoc iam tertioHoc iam tertio
  48. 🔍 25% Multiplicabitur 1 (Mode 5a)Multiplicabitur 1 (Mode 5a)
  49. 🔍 25% Vox clamantis in eremoVox clamantis in eremo
  50. 🔍 25% Vox clamantis in eremoVox clamantis in eremo
  51. 🔍 25% Deus in sanctoDeus in sancto
  52. 🔍 25% Egredietur DominusEgredietur Dominus
  53. 🔍 25% Egredietur DominusEgredietur Dominus
  54. 🔍 25% Attendite universiAttendite universi
  55. 🔍 25% Redemptionem ... alleluiaRedemptionem ... alleluia
  56. 🔍 25% Ecce Dominus venietEcce Dominus veniet
  57. 🔍 25% Ecce Dominus venietEcce Dominus veniet
  58. 🔍 25% De caelo venietDe caelo veniet
  59. 🔍 25% De caelo venietDe caelo veniet
  60. 🔍 25% Glorificamus teGlorificamus te
  61. 🔍 25% Adorate DominumAdorate Dominum
  62. 🔍 25% Domine Deus salutis (Mode 4*e)Domine Deus salutis (Mode 4*e)
  63. 🔍 25% Tu es qui venturus DomineTu es qui venturus Domine
  64. 🔍 24% Modicum et nonModicum et non
  65. 🔍 24% LaudaboLaudabo