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% Ista est speciosa (Virginum)Ista est speciosa (Virginum)
  2. 🔍 64% Ista est speciosa (Virginum)Ista est speciosa (Virginum)
  3. 🔍 53% Ista est speciosa (S. Mulierum)Ista est speciosa (S. Mulierum)
  4. 🔍 40% Quae est ista speciosaQuae est ista speciosa
  5. 🔍 33% Ponam in Sion salutemPonam in Sion salutem
  6. 🔍 32% Quae est ista speciosaQuae est ista speciosa
  7. 🔍 30% Dabo in SionDabo in Sion
  8. 🔍 29% Quae est ista speciosaQuae est ista speciosa
  9. 🔍 29% JucundareJucundare
  10. 🔍 29% Cum redirentCum redirent
  11. 🔍 29% Nigra sumNigra sum
  12. 🔍 29% Dabo in SionDabo in Sion
  13. 🔍 28% Jerusalem respiceJerusalem respice
  14. 🔍 28% Quae est istaQuae est ista
  15. 🔍 28% Nigra sumNigra sum
  16. 🔍 27% Ponam in SionPonam in Sion
  17. 🔍 27% Dabo in SionDabo in Sion
  18. 🔍 27% Dabo in SionDabo in Sion
  19. 🔍 27% Ibant parentes JesuIbant parentes Jesu
  20. 🔍 26% Fac benigneFac benigne
  21. 🔍 26% Jucundare filiaJucundare filia
  22. 🔍 26% O Virgo virginumO Virgo virginum
  23. 🔍 26% Lauda JerusalemLauda Jerusalem
  24. 🔍 26% Pulchra es et decoraPulchra es et decora
  25. 🔍 25% Factum est in unaFactum est in una
  26. 🔍 25% O Virgo virginumO Virgo virginum
  27. 🔍 25% Jucundare filia SionJucundare filia Sion
  28. 🔍 25% Super te JerusalemSuper te Jerusalem
  29. 🔍 24% Ecce veniet Propheta magnusEcce veniet Propheta magnus
  30. 🔍 24% Fortitudo mea et laus...alleluiaFortitudo mea et laus...alleluia
  31. 🔍 24% Ecce veniet prophetaEcce veniet propheta
  32. 🔍 24% Laetamini cum JerusalemLaetamini cum Jerusalem
  33. 🔍 24% Tu gloria JerusalemTu gloria Jerusalem
  34. 🔍 24% Veni electa meaVeni electa mea
  35. 🔍 24% Cum redirentCum redirent
  36. 🔍 24% Ecce veniet prophetaEcce veniet propheta
  37. 🔍 24% Lauda Jerusalem DominumLauda Jerusalem Dominum
  38. 🔍 24% Lauda JerusalemLauda Jerusalem
  39. 🔍 24% Haec est quae nescivitHaec est quae nescivit
  40. 🔍 24% Non invenientes JesumNon invenientes Jesum
  41. 🔍 24% Ibant parentes JesuIbant parentes Jesu
  42. 🔍 24% Filiae JerusalemFiliae Jerusalem
  43. 🔍 24% Ut audivitUt audivit
  44. 🔍 24% Ibant parentes JesuIbant parentes Jesu
  45. 🔍 23% Cum redirentCum redirent
  46. 🔍 23% Dabo in SionDabo in Sion
  47. 🔍 23% Vau et egressus estVau et egressus est
  48. 🔍 23% Nigra sumNigra sum
  49. 🔍 23% Nigra sumNigra sum
  50. 🔍 23% JucundareJucundare
  51. 🔍 23% Ibant parentes JesuIbant parentes Jesu
  52. 🔍 23% Cum redirent remansitCum redirent remansit
  53. 🔍 23% Exibunt aquae vivaeExibunt aquae vivae
  54. 🔍 23% Remansit puer Jesus in JerusalemRemansit puer Jesus in Jerusalem
  55. 🔍 23% Venit lumenVenit lumen
  56. 🔍 23% Lauda JerusalemLauda Jerusalem
  57. 🔍 23% Jerusalem gaudeJerusalem gaude
  58. 🔍 23% Tu gloria... o RosaTu gloria... o Rosa
  59. 🔍 23% Fac benigne in bonaFac benigne in bona
  60. 🔍 23% Jerusalem gaudeJerusalem gaude
  61. 🔍 22% Deficiente vinoDeficiente vino
  62. 🔍 22% Confirma hoc Deus... alleluiaConfirma hoc Deus... alleluia
  63. 🔍 22% Tu gloria JerusalemTu gloria Jerusalem
  64. 🔍 22% Ecce veniet prophetaEcce veniet propheta
  65. 🔍 22% Non invenientesNon invenientes