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% Omnis spiritusOmnis spiritus
  2. 🔍 62% Omnis spiritusOmnis spiritus
  3. 🔍 45% Omnis spiritusOmnis spiritus
  4. 🔍 39% Spiritus SanctusSpiritus Sanctus
  5. 🔍 38% Spiritus Domini replevitSpiritus Domini replevit
  6. 🔍 38% Dixit Dominus DominoDixit Dominus Domino
  7. 🔍 37% Omnis spiritusOmnis spiritus
  8. 🔍 37% Spiritus Domini replevitSpiritus Domini replevit
  9. 🔍 37% Sancte Paule ApostoleSancte Paule Apostole
  10. 🔍 37% Spiritus Domini replevitSpiritus Domini replevit
  11. 🔍 36% Spiritus Sanctus ... et virtusSpiritus Sanctus ... et virtus
  12. 🔍 36% Magna opera DominiMagna opera Domini
  13. 🔍 36% Alleluia. (Sund. P. T. at Vespers)Alleluia. (Sund. P. T. at Vespers)
  14. 🔍 35% Ne timeasNe timeas
  15. 🔍 35% Mecum enimMecum enim
  16. 🔍 35% Rex pacificusRex pacificus
  17. 🔍 35% Lapides torrentesLapides torrentes
  18. 🔍 35% Sacrificabo hostiamSacrificabo hostiam
  19. 🔍 35% Sit nomen DominiSit nomen Domini
  20. 🔍 35% Spiritus quiSpiritus qui
  21. 🔍 35% Alleluia. (T.P. ad Completorium)Alleluia. (T.P. ad Completorium)
  22. 🔍 35% Sit nomen Domini... inSit nomen Domini... in
  23. 🔍 35% Beatus populusBeatus populus
  24. 🔍 34% Usque modoUsque modo
  25. 🔍 34% Clamor meusClamor meus
  26. 🔍 34% Ne timeas... alleluiaNe timeas... alleluia
  27. 🔍 34% Juravit DominusJuravit Dominus
  28. 🔍 34% Jubilate Deo omnisJubilate Deo omnis
  29. 🔍 34% Alleluia. (Friday P. T. at Vespers)Alleluia. (Friday P. T. at Vespers)
  30. 🔍 34% Omnis sapientiaOmnis sapientia
  31. 🔍 34% Sepelierunt StephanumSepelierunt Stephanum
  32. 🔍 33% Spiritus et animaeSpiritus et animae
  33. 🔍 33% Dixit autem dominusDixit autem dominus
  34. 🔍 33% Dum fortisDum fortis
  35. 🔍 33% Benedico... FiliumBenedico... Filium
  36. 🔍 33% Sancti spiritusSancti spiritus
  37. 🔍 33% Omnis spiritusOmnis spiritus
  38. 🔍 33% Miserere mihiMiserere mihi
  39. 🔍 33% Respexit meRespexit me
  40. 🔍 33% Argentum et aurumArgentum et aurum
  41. 🔍 33% Factus estFactus est
  42. 🔍 32% Oleum effusumOleum effusum
  43. 🔍 32% Venite ad meVenite ad me
  44. 🔍 32% Ego sum resurrectioEgo sum resurrectio
  45. 🔍 32% Benedicta es tuBenedicta es tu
  46. 🔍 32% Voce meaVoce mea
  47. 🔍 32% Voca operariosVoca operarios
  48. 🔍 32% Malos male perdetMalos male perdet
  49. 🔍 32% Beata es Maria (3rd Sunday Advent)Beata es Maria (3rd Sunday Advent)
  50. 🔍 32% Confortatus estConfortatus est
  51. 🔍 31% Dirupisti DomineDirupisti Domine
  52. 🔍 31% Alleluia confitemini. (Sundays throughout the year at Prime)Alleluia confitemini. (Sundays throughout the year at Prime)
  53. 🔍 31% Domine non est exaltatumDomine non est exaltatum
  54. 🔍 31% Si iniquitates (Ant)Si iniquitates (Ant)
  55. 🔍 31% Dixit Angelus ad PetrumDixit Angelus ad Petrum
  56. 🔍 31% Crastina eritCrastina erit
  57. 🔍 31% Omnis spiritusOmnis spiritus
  58. 🔍 31% O Rex gentiumO Rex gentium
  59. 🔍 31% Omnis qui invocaveritOmnis qui invocaverit
  60. 🔍 31% Angelus Domini apparuitAngelus Domini apparuit
  61. 🔍 31% Mirabilia opera tuaMirabilia opera tua
  62. 🔍 31% Triduanas a DominoTriduanas a Domino
  63. 🔍 31% Exsultavit spiritusExsultavit spiritus
  64. 🔍 31% Quam bonusQuam bonus
  65. 🔍 31% Vota meaVota mea