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% Angelus Domini descendit (Off.)Angelus Domini descendit (Off.)
  2. 🔍 64% Posuisti Domine (Off.)Posuisti Domine (Off.)
  3. 🔍 64% Post partum (Off)Post partum (Off)
  4. 🔍 64% Angelus Domini descenditAngelus Domini descendit
  5. 🔍 60% Assumpta est Maria (Off.)Assumpta est Maria (Off.)
  6. 🔍 38% Post partum (Off)Post partum (Off)
  7. 🔍 37% Angelus Domini descendit (Off.)Angelus Domini descendit (Off.)
  8. 🔍 34% Assumpta estAssumpta est
  9. 🔍 33% Assumpta estAssumpta est
  10. 🔍 33% Beata es VirgoBeata es Virgo
  11. 🔍 32% Angelus Domini descenditAngelus Domini descendit
  12. 🔍 31% Posuisti Domine (Off.)Posuisti Domine (Off.)
  13. 🔍 28% Benedicite DominumBenedicite Dominum
  14. 🔍 28% Jubilate DeoJubilate Deo
  15. 🔍 28% ExsultavitExsultavit
  16. 🔍 28% DilexistiDilexisti
  17. 🔍 27% Angelus autem DominiAngelus autem Domini
  18. 🔍 27% Posuisti DominePosuisti Domine
  19. 🔍 26% Ad te levaviAd te levavi
  20. 🔍 26% Populum humilemPopulum humilem
  21. 🔍 26% Angelus Domini descenditAngelus Domini descendit
  22. 🔍 26% Introduxit vosIntroduxit vos
  23. 🔍 26% Spiritus Domini cum AlleluiaSpiritus Domini cum Alleluia
  24. 🔍 25% In excelso thronoIn excelso throno
  25. 🔍 25% Bonitas DominiBonitas Domini
  26. 🔍 25% Spiritus... replevit... alleluiaSpiritus... replevit... alleluia
  27. 🔍 24% AperiteAperite
  28. 🔍 24% Confitebor tibi... DeusConfitebor tibi... Deus
  29. 🔍 24% Laetamini in Domino (Off.)Laetamini in Domino (Off.)
  30. 🔍 24% Victricem manumVictricem manum
  31. 🔍 24% Miserere mei DeusMiserere mei Deus
  32. 🔍 24% Ave Maria... et benedictusAve Maria... et benedictus
  33. 🔍 23% Erit vobisErit vobis
  34. 🔍 23% Spiritus Domini sine AlleluiaSpiritus Domini sine Alleluia
  35. 🔍 23% ExsultavitExsultavit
  36. 🔍 23% Laetamini in Domino (OFF. cum Alleluia)Laetamini in Domino (OFF. cum Alleluia)
  37. 🔍 23% SanctificavitSanctificavit
  38. 🔍 23% Salus populiSalus populi
  39. 🔍 23% Christi factus sumChristi factus sum
  40. 🔍 23% Angelus autem DominiAngelus autem Domini
  41. 🔍 23% Omnia quae fecistiOmnia quae fecisti
  42. 🔍 23% Domus meaDomus mea
  43. 🔍 23% Spiritus Domini super meSpiritus Domini super me
  44. 🔍 23% Respondens autem AngelusRespondens autem Angelus
  45. 🔍 22% Benedicite Dominum omnes AngeliBenedicite Dominum omnes Angeli
  46. 🔍 22% SperaSpera
  47. 🔍 22% Surrexit Dominus et apparuit (Com.)Surrexit Dominus et apparuit (Com.)
  48. 🔍 22% CognoviCognovi
  49. 🔍 22% Angelus autem DominiAngelus autem Domini
  50. 🔍 22% Dextera Domini... alleluiaDextera Domini... alleluia
  51. 🔍 22% Angelus autem DominiAngelus autem Domini
  52. 🔍 22% Quaerite DominumQuaerite Dominum
  53. 🔍 22% Ostende mihiOstende mihi
  54. 🔍 22% Lux fulgebitLux fulgebit
  55. 🔍 22% Esto mihiEsto mihi
  56. 🔍 22% Vir Dei BenedictusVir Dei Benedictus
  57. 🔍 22% Ecce VirgoEcce Virgo
  58. 🔍 22% Confitebuntur caeliConfitebuntur caeli
  59. 🔍 22% Gloria (ad lib.) II.Gloria (ad lib.) II.
  60. 🔍 22% AdducenturAdducentur
  61. 🔍 21% Ecce oculiEcce oculi
  62. 🔍 21% Sapientia reddiditSapientia reddidit
  63. 🔍 21% Nos autem... alleluiaNos autem... alleluia
  64. 🔍 21% Inveni DavidInveni David
  65. 🔍 21% Immittet AngelusImmittet Angelus