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% Ista est speciosa (Virginum)Ista est speciosa (Virginum)
  2. 🔍 66% Ista est speciosa (S. Mulierum)Ista est speciosa (S. Mulierum)
  3. 🔍 64% Ista est speciosa (Virginum)Ista est speciosa (Virginum)
  4. 🔍 44% Quae est ista speciosaQuae est ista speciosa
  5. 🔍 40% Veni electa meaVeni electa mea
  6. 🔍 39% Quae est ista speciosaQuae est ista speciosa
  7. 🔍 36% Quae est ista speciosaQuae est ista speciosa
  8. 🔍 34% Haec est quae nescivitHaec est quae nescivit
  9. 🔍 33% Alleluia. (Sund. P. T. at None)Alleluia. (Sund. P. T. at None)
  10. 🔍 33% Ista est columbaIsta est columba
  11. 🔍 33% Dabo in SionDabo in Sion
  12. 🔍 33% Alleluia. (T.P. ad Completorium)Alleluia. (T.P. ad Completorium)
  13. 🔍 33% Alleluia. (Sund. P. T. at Prime)Alleluia. (Sund. P. T. at Prime)
  14. 🔍 32% Ponam in SionPonam in Sion
  15. 🔍 32% Quae est istaQuae est ista
  16. 🔍 32% Alleluia. (Friday P. T. at Vespers)Alleluia. (Friday P. T. at Vespers)
  17. 🔍 32% Alleluia. (Sund. P. T. at Terce)Alleluia. (Sund. P. T. at Terce)
  18. 🔍 32% Cum redirentCum redirent
  19. 🔍 31% Alleluia. (Saturday P. T. at Vespers)Alleluia. (Saturday P. T. at Vespers)
  20. 🔍 31% Alleluia. (Sund. P. T. at Sext)Alleluia. (Sund. P. T. at Sext)
  21. 🔍 30% Tu gloria JerusalemTu gloria Jerusalem
  22. 🔍 30% Alleluia. (Sund. P. T. at Vespers)Alleluia. (Sund. P. T. at Vespers)
  23. 🔍 30% Speciosa facta esSpeciosa facta es
  24. 🔍 29% Alleluia. (Monday P. T. at Vespers)Alleluia. (Monday P. T. at Vespers)
  25. 🔍 29% Alleluia. (Wednesday P. T. at Vespers)Alleluia. (Wednesday P. T. at Vespers)
  26. 🔍 29% Alleluia. (Thursday P. T. at Vespers)Alleluia. (Thursday P. T. at Vespers)
  27. 🔍 29% Ecce veniet ProphetaEcce veniet Propheta
  28. 🔍 29% Speciosa facta es (Ant)Speciosa facta es (Ant)
  29. 🔍 29% Lauda JerusalemLauda Jerusalem
  30. 🔍 29% Alleluia. (Tuesday P. T. at Vespers)Alleluia. (Tuesday P. T. at Vespers)
  31. 🔍 29% Nigra sum sed formosaNigra sum sed formosa
  32. 🔍 28% Spiritus et animaeSpiritus et animae
  33. 🔍 28% Scitote quia DominusScitote quia Dominus
  34. 🔍 28% Benedico... FiliumBenedico... Filium
  35. 🔍 28% Confirma hoc Deus... alleluiaConfirma hoc Deus... alleluia
  36. 🔍 28% Jucundare filiaJucundare filia
  37. 🔍 28% Jucundare filiaJucundare filia
  38. 🔍 28% Accessistis ad SionAccessistis ad Sion
  39. 🔍 28% Benedicta es tuBenedicta es tu
  40. 🔍 27% Super te Jerusalem orieturSuper te Jerusalem orietur
  41. 🔍 27% Non invenientes JesumNon invenientes Jesum
  42. 🔍 27% Ibant parentes JesuIbant parentes Jesu
  43. 🔍 27% Ut audivitUt audivit
  44. 🔍 27% Fecit mihi magnaFecit mihi magna
  45. 🔍 27% In Deo speraviIn Deo speravi
  46. 🔍 27% Adhaereat linguaAdhaereat lingua
  47. 🔍 27% Alleluia tuus sum ego. (Sundays throughout the year at Sext)Alleluia tuus sum ego. (Sundays throughout the year at Sext)
  48. 🔍 27% Ego sum pastor bonusEgo sum pastor bonus
  49. 🔍 27% Pinguis estPinguis est
  50. 🔍 27% Accessistis ad SionAccessistis ad Sion
  51. 🔍 27% Miserere mihiMiserere mihi
  52. 🔍 27% Deficiente vinoDeficiente vino
  53. 🔍 26% Dicebat JesusDicebat Jesus
  54. 🔍 26% Alleluia (T. P. Laud. Fer. II.)Alleluia (T. P. Laud. Fer. II.)
  55. 🔍 26% Dixit Mater Jesu ad illumDixit Mater Jesu ad illum
  56. 🔍 26% Dum esset rexDum esset rex
  57. 🔍 26% Jerusalem gaudeJerusalem gaude
  58. 🔍 26% Alleluia faciem tuam. (Sundays throughout the year at None)Alleluia faciem tuam. (Sundays throughout the year at None)
  59. 🔍 26% Gloria LibaniGloria Libani
  60. 🔍 26% Ego autem in DominoEgo autem in Domino
  61. 🔍 26% Alleluia deduc me. (Sundays throughout the year at Terce)Alleluia deduc me. (Sundays throughout the year at Terce)
  62. 🔍 26% Illuminatio meaIlluminatio mea
  63. 🔍 26% Exsultate justiExsultate justi
  64. 🔍 26% Excita DomineExcita Domine
  65. 🔍 26% Dabo in SionDabo in Sion