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% Laetare Virgo MaterLaetare Virgo Mater
  2. 🔍 64% Laetare Virgo (Ss. Rosarii)Laetare Virgo (Ss. Rosarii)
  3. 🔍 55% LaetareLaetare
  4. 🔍 54% Laetare Virgo MaterLaetare Virgo Mater
  5. 🔍 50% Laetare Virgo MaterLaetare Virgo Mater
  6. 🔍 37% Resurrectio (Tempore paschali)Resurrectio (Tempore paschali)
  7. 🔍 34% Alleluia Lapis revolutusAlleluia Lapis revolutus
  8. 🔍 30% Regina caeliRegina caeli
  9. 🔍 30% Surrexit... de sepulcroSurrexit... de sepulcro
  10. 🔍 30% Ego sum panis vivus dicitEgo sum panis vivus dicit
  11. 🔍 30% Alleluia ConfiteminiAlleluia Confitemini
  12. 🔍 30% Alleluia LaudateAlleluia Laudate
  13. 🔍 29% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  14. 🔍 28% Regina caeli laetareRegina caeli laetare
  15. 🔍 28% Alleluia (mode 8)Alleluia (mode 8)
  16. 🔍 28% Alleluia (T. P. Laud. Fer. II.)Alleluia (T. P. Laud. Fer. II.)
  17. 🔍 28% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  18. 🔍 27% Assumpta est Maria ... allel.Assumpta est Maria ... allel.
  19. 🔍 27% Regina caeli laetareRegina caeli laetare
  20. 🔍 27% AlleluiaAlleluia
  21. 🔍 27% Regina caeli (Off. BMV in Sab. T.P.)Regina caeli (Off. BMV in Sab. T.P.)
  22. 🔍 27% Surrexit Dominus de sepulcroSurrexit Dominus de sepulcro
  23. 🔍 27% Surrexit Dominus de sepulchro (Resp. Br.)Surrexit Dominus de sepulchro (Resp. Br.)
  24. 🔍 27% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  25. 🔍 27% ResurrectioResurrectio
  26. 🔍 26% Alleluia (T. P. ad Sextam)Alleluia (T. P. ad Sextam)
  27. 🔍 26% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  28. 🔍 26% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  29. 🔍 26% AlleluiaAlleluia
  30. 🔍 26% Alleluia (mode 8)Alleluia (mode 8)
  31. 🔍 26% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  32. 🔍 26% Alleluia (T. P. Vesp. Dom.)Alleluia (T. P. Vesp. Dom.)
  33. 🔍 26% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  34. 🔍 26% Surrexit Dominus de sepulcroSurrexit Dominus de sepulcro
  35. 🔍 26% Alleluia (T. P. Complet.)Alleluia (T. P. Complet.)
  36. 🔍 26% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  37. 🔍 26% Gaude Virgo Mater Christi.Gaude Virgo Mater Christi.
  38. 🔍 26% Exsultemus et laetemurExsultemus et laetemur
  39. 🔍 26% Lux de luceLux de luce
  40. 🔍 26% Alleluia (T. P. Complet.)Alleluia (T. P. Complet.)
  41. 🔍 26% Surrexit Dominus de sepulchro (Resp. Br.)Surrexit Dominus de sepulchro (Resp. Br.)
  42. 🔍 26% ResurrexitResurrexit
  43. 🔍 26% Alleluia (T. P. Vesp. Sabb.)Alleluia (T. P. Vesp. Sabb.)
  44. 🔍 26% Ascendit DeusAscendit Deus
  45. 🔍 26% Alleluia alleluia alleluia (Dominica ad Primam)Alleluia alleluia alleluia (Dominica ad Primam)
  46. 🔍 25% Regina caeli (Officium Parvum)Regina caeli (Officium Parvum)
  47. 🔍 25% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)
  48. 🔍 25% Surrexit Dominus de sepulcro (Resp. Br. tonus solemnis)Surrexit Dominus de sepulcro (Resp. Br. tonus solemnis)
  49. 🔍 25% Mane nobiscumMane nobiscum
  50. 🔍 25% Surrexit Dominus de sepulcroSurrexit Dominus de sepulcro
  51. 🔍 25% Alleluia Omnes GentesAlleluia Omnes Gentes
  52. 🔍 25% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)
  53. 🔍 25% Surrexit Dominus vere (Resp. Br.)Surrexit Dominus vere (Resp. Br.)
  54. 🔍 25% Crucifixus surrexitCrucifixus surrexit
  55. 🔍 25% Ego sum panis vivusEgo sum panis vivus
  56. 🔍 25% Alleluia. (Sund. P. T. at Sext)Alleluia. (Sund. P. T. at Sext)
  57. 🔍 25% Puer natus in BethlehemPuer natus in Bethlehem
  58. 🔍 25% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  59. 🔍 25% Alleluia (T. P. Laud. Dom.)Alleluia (T. P. Laud. Dom.)
  60. 🔍 25% Omnes GentesOmnes Gentes
  61. 🔍 25% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  62. 🔍 25% Alleluia. (Monday P. T. at Lauds)Alleluia. (Monday P. T. at Lauds)
  63. 🔍 25% Beata Mater... Regina mundi intercedeBeata Mater... Regina mundi intercede
  64. 🔍 25% Lux de luceLux de luce
  65. 🔍 25% Alleluia (T. P. Vesp. Fer. IV.)Alleluia (T. P. Vesp. Fer. IV.)