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% Posuisti Domine (Off.)Posuisti Domine (Off.)
  2. 🔍 64% Angelus Domini descendit (Off.)Angelus Domini descendit (Off.)
  3. 🔍 62% Assumpta est Maria (Off.)Assumpta est Maria (Off.)
  4. 🔍 61% Post partum (Off)Post partum (Off)
  5. 🔍 55% Posuisti Domine (Off.)Posuisti Domine (Off.)
  6. 🔍 36% Beata es VirgoBeata es Virgo
  7. 🔍 36% Assumpta estAssumpta est
  8. 🔍 36% Angelus Domini descenditAngelus Domini descendit
  9. 🔍 35% Posuisti DominePosuisti Domine
  10. 🔍 34% Assumpta estAssumpta est
  11. 🔍 34% Post partum (Off)Post partum (Off)
  12. 🔍 32% Posuisti DominePosuisti Domine
  13. 🔍 31% Posuisti Domine (Com.)Posuisti Domine (Com.)
  14. 🔍 30% ExsultavitExsultavit
  15. 🔍 29% Populum humilemPopulum humilem
  16. 🔍 29% Posuisti Domine (Com.)Posuisti Domine (Com.)
  17. 🔍 28% ExsultavitExsultavit
  18. 🔍 28% Posuisti Domine (Off.)Posuisti Domine (Off.)
  19. 🔍 28% Benedicite DominumBenedicite Dominum
  20. 🔍 27% Benedicite Dominum omnes AngeliBenedicite Dominum omnes Angeli
  21. 🔍 27% Ad te levaviAd te levavi
  22. 🔍 27% Si ambulaveroSi ambulavero
  23. 🔍 26% Jubilate DeoJubilate Deo
  24. 🔍 26% Ave Maria... et benedictusAve Maria... et benedictus
  25. 🔍 26% DilexistiDilexisti
  26. 🔍 26% Posuisti Domine... allel. (Resp. Br.)Posuisti Domine... allel. (Resp. Br.)
  27. 🔍 26% Bonitas DominiBonitas Domini
  28. 🔍 26% Praevenisti eamPraevenisti eam
  29. 🔍 26% Posuisti DominePosuisti Domine
  30. 🔍 25% AdducenturAdducentur
  31. 🔍 25% Posuisti Domine (Com.)Posuisti Domine (Com.)
  32. 🔍 25% Confitebor tibi... DeusConfitebor tibi... Deus
  33. 🔍 25% Desiderium animaeDesiderium animae
  34. 🔍 25% DesideriumDesiderium
  35. 🔍 25% Posuisti Domine (Resp. Br.)Posuisti Domine (Resp. Br.)
  36. 🔍 25% Exaltabo teExaltabo te
  37. 🔍 25% Exaltabo teExaltabo te
  38. 🔍 24% Spiritus Domini cum AlleluiaSpiritus Domini cum Alleluia
  39. 🔍 24% Erit vobisErit vobis
  40. 🔍 24% Spiritus... replevit... alleluiaSpiritus... replevit... alleluia
  41. 🔍 24% Victricem manumVictricem manum
  42. 🔍 24% DilexistiDilexisti
  43. 🔍 24% Salus populiSalus populi
  44. 🔍 24% In te DomineIn te Domine
  45. 🔍 24% StatuitStatuit
  46. 🔍 24% Vitam petiit a teVitam petiit a te
  47. 🔍 24% Immittet AngelusImmittet Angelus
  48. 🔍 24% Domine fortitudoDomine fortitudo
  49. 🔍 24% Posuisti, DominePosuisti, Domine
  50. 🔍 23% Domine vivificaDomine vivifica
  51. 🔍 23% Ad te levaviAd te levavi
  52. 🔍 23% Exsurge... non praevaleatExsurge... non praevaleat
  53. 🔍 23% Domine praevenistiDomine praevenisti
  54. 🔍 23% Posuisti DominePosuisti Domine
  55. 🔍 23% In excelso thronoIn excelso throno
  56. 🔍 23% SperaSpera
  57. 🔍 23% Ecce virgoEcce virgo
  58. 🔍 23% Angelus autem DominiAngelus autem Domini
  59. 🔍 23% Os justiOs justi
  60. 🔍 23% Domus meaDomus mea
  61. 🔍 23% Omnia quae fecistiOmnia quae fecisti
  62. 🔍 23% Angelus Domini descendit (Off.)Angelus Domini descendit (Off.)
  63. 🔍 23% Confitebuntur caeliConfitebuntur caeli
  64. 🔍 23% Dextera Domini... alleluiaDextera Domini... alleluia
  65. 🔍 23% Esto mihiEsto mihi