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% Confirma hoc Deus... alleluiaConfirma hoc Deus... alleluia
  2. 🔍 70% Confirma hoc DeusConfirma hoc Deus
  3. 🔍 64% Confirma hoc DeusConfirma hoc Deus
  4. 🔍 63% Confirma hoc DeusConfirma hoc Deus
  5. 🔍 62% Confirma hoc DeusConfirma hoc Deus
  6. 🔍 61% Confirma hoc DeusConfirma hoc Deus
  7. 🔍 57% Confirma hoc DeusConfirma hoc Deus
  8. 🔍 51% Confirma hoc DeusConfirma hoc Deus
  9. 🔍 42% Confirma hoc cum AlleluiaConfirma hoc cum Alleluia
  10. 🔍 39% Confirma hoc sine AlleluiaConfirma hoc sine Alleluia
  11. 🔍 38% Factus estFactus est
  12. 🔍 38% Spiritus... replevit... all. all. all.Spiritus... replevit... all. all. all.
  13. 🔍 37% Spiritus... replevit... all. all.Spiritus... replevit... all. all.
  14. 🔍 36% Si manseritis in meSi manseritis in me
  15. 🔍 36% Alleluia. (Monday P. T. at Vespers)Alleluia. (Monday P. T. at Vespers)
  16. 🔍 36% Alleluia. (Friday P. T. at Vespers)Alleluia. (Friday P. T. at Vespers)
  17. 🔍 35% Alleluia (mode 8)Alleluia (mode 8)
  18. 🔍 34% Alleluia. (Sund. P. T. at Vespers)Alleluia. (Sund. P. T. at Vespers)
  19. 🔍 34% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  20. 🔍 34% Alleluia alleluia alleluia alleluia (TP ad Nonam)Alleluia alleluia alleluia alleluia (TP ad Nonam)
  21. 🔍 34% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  22. 🔍 34% Alleluia. (Tuesday P. T. at Vespers)Alleluia. (Tuesday P. T. at Vespers)
  23. 🔍 34% In caelestibus regnis... alleluiaIn caelestibus regnis... alleluia
  24. 🔍 34% Alleluia. (Wednesday P. T. at Vespers)Alleluia. (Wednesday P. T. at Vespers)
  25. 🔍 34% Emitte spiritumEmitte spiritum
  26. 🔍 33% Alleluia alleluia alleluia alleluia (TP ad Tertiam)Alleluia alleluia alleluia alleluia (TP ad Tertiam)
  27. 🔍 33% Notum fecit Dominus alleluiaNotum fecit Dominus alleluia
  28. 🔍 33% Alleluia. (Thursday P. T. at Vespers)Alleluia. (Thursday P. T. at Vespers)
  29. 🔍 33% AlleluiaAlleluia
  30. 🔍 33% Alleluia alleluia alleluia (Dominica ad Primam)Alleluia alleluia alleluia (Dominica ad Primam)
  31. 🔍 33% Post dies octoPost dies octo
  32. 🔍 33% Spiritus quiSpiritus qui
  33. 🔍 33% Alleluia (mode 8)Alleluia (mode 8)
  34. 🔍 33% Alleluia alleluia alleluia alleluia (TP ad Primam)Alleluia alleluia alleluia alleluia (TP ad Primam)
  35. 🔍 33% Confirma hoc... alleluiaConfirma hoc... alleluia
  36. 🔍 33% Dabo in SionDabo in Sion
  37. 🔍 32% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  38. 🔍 32% AlleluiaAlleluia
  39. 🔍 32% Jerusalem gaudeJerusalem gaude
  40. 🔍 32% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  41. 🔍 32% Ipse invocabit meIpse invocabit me
  42. 🔍 32% Alleluia LaudateAlleluia Laudate
  43. 🔍 32% Alleluia. (Sund. P. T. at Terce)Alleluia. (Sund. P. T. at Terce)
  44. 🔍 32% Argentum et aurumArgentum et aurum
  45. 🔍 31% Ista est speciosa (S. Mulierum)Ista est speciosa (S. Mulierum)
  46. 🔍 31% Puer natus in BethlehemPuer natus in Bethlehem
  47. 🔍 31% Alleluia confitemini. (Sundays throughout the year at Prime)Alleluia confitemini. (Sundays throughout the year at Prime)
  48. 🔍 31% Alleluia. (Sund. P. T. at Prime)Alleluia. (Sund. P. T. at Prime)
  49. 🔍 31% Confirma hocConfirma hoc
  50. 🔍 31% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  51. 🔍 31% Sancti et justiSancti et justi
  52. 🔍 31% Alleluia. (Sund. P. T. at Sext)Alleluia. (Sund. P. T. at Sext)
  53. 🔍 31% Alleluia Lapis revolutusAlleluia Lapis revolutus
  54. 🔍 31% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  55. 🔍 31% Alleluia (ant.)Alleluia (ant.)
  56. 🔍 31% Alleluia (ant.)Alleluia (ant.)
  57. 🔍 31% Hoc signum crucisHoc signum crucis
  58. 🔍 30% In hoc cognoviIn hoc cognovi
  59. 🔍 30% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  60. 🔍 30% Ne timeas... alleluiaNe timeas... alleluia
  61. 🔍 30% Lux de luceLux de luce
  62. 🔍 30% Ponam in SionPonam in Sion
  63. 🔍 30% Usque modoUsque modo
  64. 🔍 30% Ne timeasNe timeas
  65. 🔍 30% Alleluia. (T.P. ad Completorium)Alleluia. (T.P. ad Completorium)