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% Laetabitur (I)Laetabitur (I)
  2. 🔍 53% Laetabitur justusLaetabitur justus
  3. 🔍 52% Laetabitur (II)Laetabitur (II)
  4. 🔍 33% In DominoIn Domino
  5. 🔍 30% Exsultavit... in DominoExsultavit... in Domino
  6. 🔍 30% Laetamini in DominoLaetamini in Domino
  7. 🔍 29% Bonum est sperareBonum est sperare
  8. 🔍 29% Laetabitur justusLaetabitur justus
  9. 🔍 29% Propter SionPropter Sion
  10. 🔍 28% In laetitiaIn laetitia
  11. 🔍 28% Sitivit in te DomineSitivit in te Domine
  12. 🔍 28% Laetabitur justus (Intr.)Laetabitur justus (Intr.)
  13. 🔍 28% Laetamini in Domino... allel.Laetamini in Domino... allel.
  14. 🔍 27% Laetabitur justusLaetabitur justus
  15. 🔍 27% Domine salvum me facDomine salvum me fac
  16. 🔍 27% Laetabitur justusLaetabitur justus
  17. 🔍 27% Laetamini cum Jerusalem (Ant.)Laetamini cum Jerusalem (Ant.)
  18. 🔍 27% Exortum est in tenebrisExortum est in tenebris
  19. 🔍 27% Laetabitur justusLaetabitur justus
  20. 🔍 26% Laetatus sumLaetatus sum
  21. 🔍 26% Benedictus... IsraelBenedictus... Israel
  22. 🔍 26% Popule meusPopule meus
  23. 🔍 26% In sanctitate serviamusIn sanctitate serviamus
  24. 🔍 26% In tua justitiaIn tua justitia
  25. 🔍 26% Jubilate... in voceJubilate... in voce
  26. 🔍 25% Omnis spiritusOmnis spiritus
  27. 🔍 25% Simeon justusSimeon justus
  28. 🔍 25% Deus tu conversusDeus tu conversus
  29. 🔍 25% Justus ut palmaJustus ut palma
  30. 🔍 25% Clamavi et DominusClamavi et Dominus
  31. 🔍 25% In Deo speraviIn Deo speravi
  32. 🔍 25% Super te JerusalemSuper te Jerusalem
  33. 🔍 25% LaetabiturLaetabitur
  34. 🔍 25% Domine in virtuteDomine in virtute
  35. 🔍 24% Domine in caeloDomine in caelo
  36. 🔍 24% Natus estNatus est
  37. 🔍 24% PlacuitPlacuit
  38. 🔍 24% Jubilate in conspectuJubilate in conspectu
  39. 🔍 24% In tribulationeIn tribulatione
  40. 🔍 24% Laetabitur desertaLaetabitur deserta
  41. 🔍 24% Inclinavit DominusInclinavit Dominus
  42. 🔍 24% Tu DomineTu Domine
  43. 🔍 24% MagnificavitMagnificavit
  44. 🔍 24% Exsultavit cor meumExsultavit cor meum
  45. 🔍 23% In manus tuasIn manus tuas
  46. 🔍 23% Montes et omnes collesMontes et omnes colles
  47. 🔍 23% Sancti et justiSancti et justi
  48. 🔍 23% Qui persequebantur justumQui persequebantur justum
  49. 🔍 23% Laetamini in DominoLaetamini in Domino
  50. 🔍 23% Justus ut palma... allel.Justus ut palma... allel.
  51. 🔍 23% Misit DominusMisit Dominus
  52. 🔍 23% Adjutorium nostrumAdjutorium nostrum
  53. 🔍 23% Christus factus estChristus factus est
  54. 🔍 23% Spiritus... benediciteSpiritus... benedicite
  55. 🔍 23% Veni Domine et noliVeni Domine et noli
  56. 🔍 23% JudicastiJudicasti
  57. 🔍 23% InvocabimusInvocabimus
  58. 🔍 23% Veni... visitare nosVeni... visitare nos
  59. 🔍 23% RevertereRevertere
  60. 🔍 23% Ingressus AngelusIngressus Angelus
  61. 🔍 23% Quasi tubaQuasi tuba
  62. 🔍 23% CalicemCalicem
  63. 🔍 22% Ego autem in DominoEgo autem in Domino
  64. 🔍 22% Exsultavit spritusExsultavit spritus
  65. 🔍 22% Me suscepitMe suscepit