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. 🔍 94% Hic EdmundusHic Edmundus
  3. 🔍 81% Posuisti DominePosuisti Domine
  4. 🔍 77% Dedisti mihiDedisti mihi
  5. 🔍 74% FranciscusFranciscus
  6. 🔍 70% Posuisti Domine (All.)Posuisti Domine (All.)
  7. 🔍 65% DedistiDedisti
  8. 🔍 63% FranciscusFranciscus
  9. 🔍 63% Posuisti Domine (All.)Posuisti Domine (All.)
  10. 🔍 62% Dedisti mihiDedisti mihi
  11. 🔍 36% Posuisti Domine (All.)Posuisti Domine (All.)
  12. 🔍 34% ConcaluitConcaluit
  13. 🔍 30% LoquebanturLoquebantur
  14. 🔍 29% LoquebanturLoquebantur
  15. 🔍 29% Hic MartinusHic Martinus
  16. 🔍 27% Stetit pontifexStetit pontifex
  17. 🔍 26% Stetit AngelusStetit Angelus
  18. 🔍 25% Benedicamus PatremBenedicamus Patrem
  19. 🔍 25% AemulorAemulor
  20. 🔍 25% Justorum animaeJustorum animae
  21. 🔍 25% Stetit PontifexStetit Pontifex
  22. 🔍 25% Angelus Domini descenditAngelus Domini descendit
  23. 🔍 25% De quacumqueDe quacumque
  24. 🔍 25% VerumtamenVerumtamen
  25. 🔍 24% Justorum animae (Off.)Justorum animae (Off.)
  26. 🔍 24% Felix namque esFelix namque es
  27. 🔍 24% Verbo DominiVerbo Domini
  28. 🔍 24% Optime PaterOptime Pater
  29. 🔍 24% Justorum animaeJustorum animae
  30. 🔍 24% Ave Rex nosterAve Rex noster
  31. 🔍 23% Ave Rex nosterAve Rex noster
  32. 🔍 23% Angelus Domini descenditAngelus Domini descendit
  33. 🔍 23% Te saeculorum PrincipemTe saeculorum Principem
  34. 🔍 23% Ave Regina caelorumAve Regina caelorum
  35. 🔍 23% Stetit Angelus (Off)Stetit Angelus (Off)
  36. 🔍 22% Inclinet DominusInclinet Dominus
  37. 🔍 22% Spiritus DominiSpiritus Domini
  38. 🔍 22% Beata nobis gaudiaBeata nobis gaudia
  39. 🔍 22% Viri GalilaeiViri Galilaei
  40. 🔍 22% Beata nobis gaudiaBeata nobis gaudia
  41. 🔍 22% Juravit DominusJuravit Dominus
  42. 🔍 21% Exsultet orbis gaudiis (Alter tonus)Exsultet orbis gaudiis (Alter tonus)
  43. 🔍 21% Stetit PontifexStetit Pontifex
  44. 🔍 21% Propitius estoPropitius esto
  45. 🔍 21% Ego sum pastor 2Ego sum pastor 2
  46. 🔍 21% Te saeculorum PrincipemTe saeculorum Principem
  47. 🔍 21% Stetit Angelus (Off, verses)Stetit Angelus (Off, verses)
  48. 🔍 20% Stetit Angelus (Off)Stetit Angelus (Off)
  49. 🔍 20% Benedictus esBenedictus es
  50. 🔍 20% Rogavi pro teRogavi pro te
  51. 🔍 20% Ego dilecto... dilectusEgo dilecto... dilectus
  52. 🔍 20% Ego sum pastorEgo sum pastor
  53. 🔍 20% Juravit DominusJuravit Dominus
  54. 🔍 20% Quomodo fiet istudQuomodo fiet istud
  55. 🔍 20% Benedicamus PatremBenedicamus Patrem
  56. 🔍 20% Justi epulentur (All.)Justi epulentur (All.)
  57. 🔍 20% Ave Rex nosterAve Rex noster
  58. 🔍 19% Stetit Angelus (Off)Stetit Angelus (Off)
  59. 🔍 19% Te saeculorum PrincipemTe saeculorum Principem
  60. 🔍 19% Viri GalilaeiViri Galilaei
  61. 🔍 19% Inclinet DominusInclinet Dominus
  62. 🔍 19% LoquebanturLoquebantur
  63. 🔍 19% Beata nobis gaudiaBeata nobis gaudia
  64. 🔍 19% EmulorEmulor
  65. 🔍 19% Beata nobis gaudiaBeata nobis gaudia