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% FranciscusFranciscus
  2. 🔍 80% Posuisti Domine (All.)Posuisti Domine (All.)
  3. 🔍 78% FranciscusFranciscus
  4. 🔍 74% FranciscusFranciscus
  5. 🔍 73% Dedisti mihiDedisti mihi
  6. 🔍 72% Posuisti DominePosuisti Domine
  7. 🔍 70% Hic EdmundusHic Edmundus
  8. 🔍 67% Posuisti Domine (All.)Posuisti Domine (All.)
  9. 🔍 66% Dedisti mihiDedisti mihi
  10. 🔍 59% DedistiDedisti
  11. 🔍 37% ConcaluitConcaluit
  12. 🔍 35% Hic MartinusHic Martinus
  13. 🔍 34% Posuisti Domine (All.)Posuisti Domine (All.)
  14. 🔍 30% Stetit pontifexStetit pontifex
  15. 🔍 28% Stetit PontifexStetit Pontifex
  16. 🔍 28% LoquebanturLoquebantur
  17. 🔍 27% Angelus Domini descenditAngelus Domini descendit
  18. 🔍 27% Justorum animae (Off.)Justorum animae (Off.)
  19. 🔍 27% AemulorAemulor
  20. 🔍 26% Felix namque esFelix namque es
  21. 🔍 26% VerumtamenVerumtamen
  22. 🔍 26% Verbo DominiVerbo Domini
  23. 🔍 26% Stetit Angelus (Off)Stetit Angelus (Off)
  24. 🔍 26% De quacumqueDe quacumque
  25. 🔍 26% Inclinet DominusInclinet Dominus
  26. 🔍 26% Ave Regina caelorumAve Regina caelorum
  27. 🔍 26% Justorum animaeJustorum animae
  28. 🔍 25% Optime PaterOptime Pater
  29. 🔍 25% Viri GalilaeiViri Galilaei
  30. 🔍 25% Ave Rex nosterAve Rex noster
  31. 🔍 25% LoquebanturLoquebantur
  32. 🔍 25% Te saeculorum PrincipemTe saeculorum Principem
  33. 🔍 24% Beata nobis gaudiaBeata nobis gaudia
  34. 🔍 24% Beata nobis gaudiaBeata nobis gaudia
  35. 🔍 24% Stetit PontifexStetit Pontifex
  36. 🔍 24% Stetit AngelusStetit Angelus
  37. 🔍 23% Stetit Angelus (Off, verses)Stetit Angelus (Off, verses)
  38. 🔍 23% Justorum animaeJustorum animae
  39. 🔍 23% Benedictus esBenedictus es
  40. 🔍 23% Stetit Angelus (Off)Stetit Angelus (Off)
  41. 🔍 23% Exsultet orbis gaudiis (Alter tonus)Exsultet orbis gaudiis (Alter tonus)
  42. 🔍 23% Ego sum pastorEgo sum pastor
  43. 🔍 22% Te saeculorum PrincipemTe saeculorum Principem
  44. 🔍 22% Quomodo fiet istudQuomodo fiet istud
  45. 🔍 22% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  46. 🔍 22% Quem quaeritisQuem quaeritis
  47. 🔍 22% Juravit DominusJuravit Dominus
  48. 🔍 22% Inclinet DominusInclinet Dominus
  49. 🔍 22% Ave Rex nosterAve Rex noster
  50. 🔍 22% Stetit Angelus (Off)Stetit Angelus (Off)
  51. 🔍 22% LoquebanturLoquebantur
  52. 🔍 21% Rogavi pro teRogavi pro te
  53. 🔍 21% Viri GalilaeiViri Galilaei
  54. 🔍 21% Isti sunt duae olivaeIsti sunt duae olivae
  55. 🔍 21% Benedicamus PatremBenedicamus Patrem
  56. 🔍 21% Ave Rex nosterAve Rex noster
  57. 🔍 21% Beata nobis gaudiaBeata nobis gaudia
  58. 🔍 21% Beata nobis gaudiaBeata nobis gaudia
  59. 🔍 21% Beata nobisBeata nobis
  60. 🔍 21% Justi epulentur (All.)Justi epulentur (All.)
  61. 🔍 21% Benedicamus PatremBenedicamus Patrem
  62. 🔍 20% Te saeculorum PrincipemTe saeculorum Principem
  63. 🔍 20% Audita est quasi voxAudita est quasi vox
  64. 🔍 20% Justorum animae (Off.)Justorum animae (Off.)
  65. 🔍 20% Angelus Domini descenditAngelus Domini descendit