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 DominePosuisti Domine
  2. 🔍 83% Hic EdmundusHic Edmundus
  3. 🔍 81% FranciscusFranciscus
  4. 🔍 80% Dedisti mihiDedisti mihi
  5. 🔍 76% Posuisti Domine (All.)Posuisti Domine (All.)
  6. 🔍 74% DedistiDedisti
  7. 🔍 72% FranciscusFranciscus
  8. 🔍 67% Posuisti Domine (All.)Posuisti Domine (All.)
  9. 🔍 64% Dedisti mihiDedisti mihi
  10. 🔍 60% FranciscusFranciscus
  11. 🔍 39% Posuisti Domine (All.)Posuisti Domine (All.)
  12. 🔍 35% ConcaluitConcaluit
  13. 🔍 33% LoquebanturLoquebantur
  14. 🔍 33% LoquebanturLoquebantur
  15. 🔍 30% Hic MartinusHic Martinus
  16. 🔍 28% Posuisti DominePosuisti Domine
  17. 🔍 27% DesideriumDesiderium
  18. 🔍 27% Stetit pontifexStetit pontifex
  19. 🔍 26% AemulorAemulor
  20. 🔍 26% Stetit AngelusStetit Angelus
  21. 🔍 25% De quacumqueDe quacumque
  22. 🔍 25% Justorum animaeJustorum animae
  23. 🔍 25% Optime PaterOptime Pater
  24. 🔍 24% Benedictus esBenedictus es
  25. 🔍 24% Stetit PontifexStetit Pontifex
  26. 🔍 24% VerumtamenVerumtamen
  27. 🔍 24% Ave Rex nosterAve Rex noster
  28. 🔍 24% Verbo DominiVerbo Domini
  29. 🔍 24% Angelus Domini descenditAngelus Domini descendit
  30. 🔍 24% Felix namque esFelix namque es
  31. 🔍 23% Justorum animae (Off.)Justorum animae (Off.)
  32. 🔍 23% Ave Rex nosterAve Rex noster
  33. 🔍 23% Ave Regina caelorumAve Regina caelorum
  34. 🔍 23% Angelus Domini descenditAngelus Domini descendit
  35. 🔍 23% Justorum animaeJustorum animae
  36. 🔍 22% Juravit DominusJuravit Dominus
  37. 🔍 22% Stetit Angelus (Off)Stetit Angelus (Off)
  38. 🔍 22% Viri GalilaeiViri Galilaei
  39. 🔍 22% Te saeculorum PrincipemTe saeculorum Principem
  40. 🔍 22% Stetit Angelus (Off, verses)Stetit Angelus (Off, verses)
  41. 🔍 22% Inclinet DominusInclinet Dominus
  42. 🔍 22% Spiritus DominiSpiritus Domini
  43. 🔍 21% Stetit PontifexStetit Pontifex
  44. 🔍 21% Beata nobis gaudiaBeata nobis gaudia
  45. 🔍 21% Beata nobis gaudiaBeata nobis gaudia
  46. 🔍 21% Quem quaeritisQuem quaeritis
  47. 🔍 21% Exsultet orbis gaudiis (Alter tonus)Exsultet orbis gaudiis (Alter tonus)
  48. 🔍 21% Domine in virtuteDomine in virtute
  49. 🔍 21% Benedicamus PatremBenedicamus Patrem
  50. 🔍 20% Stetit Angelus (Off)Stetit Angelus (Off)
  51. 🔍 20% Ego dilecto... dilectusEgo dilecto... dilectus
  52. 🔍 20% Te saeculorum PrincipemTe saeculorum Principem
  53. 🔍 20% Propitius estoPropitius esto
  54. 🔍 20% Rogavi pro teRogavi pro te
  55. 🔍 20% Juravit DominusJuravit Dominus
  56. 🔍 19% Stetit Angelus (Off)Stetit Angelus (Off)
  57. 🔍 19% Quomodo fiet istudQuomodo fiet istud
  58. 🔍 19% LoquebanturLoquebantur
  59. 🔍 19% Ave Rex nosterAve Rex noster
  60. 🔍 19% Justi epulentur (All.)Justi epulentur (All.)
  61. 🔍 19% Domine praevenistiDomine praevenisti
  62. 🔍 19% Quam magnaQuam magna
  63. 🔍 19% Isti sunt duae olivaeIsti sunt duae olivae
  64. 🔍 19% Ite IIIte II
  65. 🔍 19% Inclinet DominusInclinet Dominus