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% Prophetae praedicaveruntProphetae praedicaverunt
  2. 🔍 97% Prophetae praedicaveruntProphetae praedicaverunt
  3. 🔍 67% Prophetae praedicaveruntProphetae praedicaverunt
  4. 🔍 63% Prophetae praedicaveruntProphetae praedicaverunt
  5. 🔍 45% Prophetae praedicaveruntProphetae praedicaverunt
  6. 🔍 37% Ave MariaAve Maria
  7. 🔍 37% Multiplicabitur 1 (Mode 1g)Multiplicabitur 1 (Mode 1g)
  8. 🔍 37% Ave MariaAve Maria
  9. 🔍 36% Prophetae predicaveruntProphetae predicaverunt
  10. 🔍 35% Multiplicabitur 1Multiplicabitur 1
  11. 🔍 35% Domine ut videoDomine ut video
  12. 🔍 34% Ecce in nubibusEcce in nubibus
  13. 🔍 34% Ecce in nubibusEcce in nubibus
  14. 🔍 33% Nemo in eumNemo in eum
  15. 🔍 32% Deus a LibanoDeus a Libano
  16. 🔍 32% Deus a LibanoDeus a Libano
  17. 🔍 31% Levabit DominusLevabit Dominus
  18. 🔍 31% Levabit DominusLevabit Dominus
  19. 🔍 31% Exspectabo DominumExspectabo Dominum
  20. 🔍 31% Exspectabo DominumExspectabo Dominum
  21. 🔍 30% Domine Deus meus in te speraviDomine Deus meus in te speravi
  22. 🔍 30% Inclinavit DominusInclinavit Dominus
  23. 🔍 30% Qui sine peccatoQui sine peccato
  24. 🔍 29% Ecce Dominus venietEcce Dominus veniet
  25. 🔍 29% Ecce Dominus venietEcce Dominus veniet
  26. 🔍 29% De Sion veniet DominusDe Sion veniet Dominus
  27. 🔍 29% De Sion veniet DominusDe Sion veniet Dominus
  28. 🔍 29% Erunt pravaErunt prava
  29. 🔍 29% Erunt pravaErunt prava
  30. 🔍 29% Domine clamaviDomine clamavi
  31. 🔍 29% De caelo venietDe caelo veniet
  32. 🔍 29% De caelo venietDe caelo veniet
  33. 🔍 29% Ego autem ad DominumEgo autem ad Dominum
  34. 🔍 29% Ego autem ad DominumEgo autem ad Dominum
  35. 🔍 29% Rex nosterRex noster
  36. 🔍 29% Rex nosterRex noster
  37. 🔍 29% Elevata est ... alleluiaElevata est ... alleluia
  38. 🔍 29% Ecce ancilla DominiEcce ancilla Domini
  39. 🔍 29% Rogabo PatremRogabo Patrem
  40. 🔍 29% Lex per MoysenLex per Moysen
  41. 🔍 29% Lex per MoysenLex per Moysen
  42. 🔍 28% Ave Rex nosterAve Rex noster
  43. 🔍 28% Ierusalem gaudeIerusalem gaude
  44. 🔍 28% Intravit IesusIntravit Iesus
  45. 🔍 28% Domine in caeloDomine in caelo
  46. 🔍 28% Spiritus Sanctus in teSpiritus Sanctus in te
  47. 🔍 28% Spiritus Sanctus in teSpiritus Sanctus in te
  48. 🔍 28% Dominus legiferDominus legifer
  49. 🔍 28% Dominus legiferDominus legifer
  50. 🔍 28% Esto mihi DomineEsto mihi Domine
  51. 🔍 28% Ecce veniet ProphetaEcce veniet Propheta
  52. 🔍 28% Nobiscum DeusNobiscum Deus
  53. 🔍 28% Dicite PusillanimesDicite Pusillanimes
  54. 🔍 28% Dicite PusillanimesDicite Pusillanimes
  55. 🔍 28% Crucifixus surrexit tertiaCrucifixus surrexit tertia
  56. 🔍 28% Maiorem caritatemMaiorem caritatem
  57. 🔍 28% Natus est nobis hodieNatus est nobis hodie
  58. 🔍 28% Dominus defensorDominus defensor
  59. 🔍 28% Laudabilis VirgoLaudabilis Virgo
  60. 🔍 28% Veniet ecce rexVeniet ecce rex
  61. 🔍 28% Benedicta tu inBenedicta tu in
  62. 🔍 28% Domine bonum estDomine bonum est
  63. 🔍 28% Ecce veniet DeusEcce veniet Deus
  64. 🔍 28% Ecce veniet DeusEcce veniet Deus
  65. 🔍 28% Ecce completaEcce completa