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% Hic EdmundusHic Edmundus
  2. 🔍 94% FranciscusFranciscus
  3. 🔍 83% Posuisti DominePosuisti Domine
  4. 🔍 77% Dedisti mihiDedisti mihi
  5. 🔍 70% FranciscusFranciscus
  6. 🔍 70% Posuisti Domine (All.)Posuisti Domine (All.)
  7. 🔍 68% DedistiDedisti
  8. 🔍 62% Posuisti Domine (All.)Posuisti Domine (All.)
  9. 🔍 61% Dedisti mihiDedisti mihi
  10. 🔍 61% FranciscusFranciscus
  11. 🔍 36% Posuisti Domine (All.)Posuisti Domine (All.)
  12. 🔍 34% ConcaluitConcaluit
  13. 🔍 29% Hic MartinusHic Martinus
  14. 🔍 29% LoquebanturLoquebantur
  15. 🔍 29% LoquebanturLoquebantur
  16. 🔍 27% Stetit AngelusStetit Angelus
  17. 🔍 27% Stetit pontifexStetit pontifex
  18. 🔍 26% VerumtamenVerumtamen
  19. 🔍 26% Stetit PontifexStetit Pontifex
  20. 🔍 26% Justorum animaeJustorum animae
  21. 🔍 25% AemulorAemulor
  22. 🔍 25% Benedicamus PatremBenedicamus Patrem
  23. 🔍 25% De quacumqueDe quacumque
  24. 🔍 25% Ave Rex nosterAve Rex noster
  25. 🔍 25% Felix namque esFelix namque es
  26. 🔍 25% Justorum animae (Off.)Justorum animae (Off.)
  27. 🔍 25% Ave Regina caelorumAve Regina caelorum
  28. 🔍 24% Angelus Domini descenditAngelus Domini descendit
  29. 🔍 24% Ave Rex nosterAve Rex noster
  30. 🔍 24% Justorum animaeJustorum animae
  31. 🔍 24% Optime PaterOptime Pater
  32. 🔍 24% Verbo DominiVerbo Domini
  33. 🔍 24% Viri GalilaeiViri Galilaei
  34. 🔍 23% Stetit Angelus (Off)Stetit Angelus (Off)
  35. 🔍 23% Te saeculorum PrincipemTe saeculorum Principem
  36. 🔍 23% Angelus Domini descenditAngelus Domini descendit
  37. 🔍 23% Exsultet orbis gaudiis (Alter tonus)Exsultet orbis gaudiis (Alter tonus)
  38. 🔍 23% Inclinet DominusInclinet Dominus
  39. 🔍 22% Spiritus DominiSpiritus Domini
  40. 🔍 22% Beata nobis gaudiaBeata nobis gaudia
  41. 🔍 22% Beata nobis gaudiaBeata nobis gaudia
  42. 🔍 22% Propitius estoPropitius esto
  43. 🔍 22% Juravit DominusJuravit Dominus
  44. 🔍 21% Ego dilecto... dilectusEgo dilecto... dilectus
  45. 🔍 21% Stetit Angelus (Off)Stetit Angelus (Off)
  46. 🔍 21% Stetit PontifexStetit Pontifex
  47. 🔍 21% Stetit Angelus (Off, verses)Stetit Angelus (Off, verses)
  48. 🔍 21% Te saeculorum PrincipemTe saeculorum Principem
  49. 🔍 21% Ego sum pastor 2Ego sum pastor 2
  50. 🔍 21% Quomodo fiet istudQuomodo fiet istud
  51. 🔍 20% Ave Rex nosterAve Rex noster
  52. 🔍 20% Rogavi pro teRogavi pro te
  53. 🔍 20% Justi epulentur (All.)Justi epulentur (All.)
  54. 🔍 20% Quem quaeritisQuem quaeritis
  55. 🔍 20% Juravit DominusJuravit Dominus
  56. 🔍 20% Viri GalilaeiViri Galilaei
  57. 🔍 20% Ego sum pastorEgo sum pastor
  58. 🔍 20% Benedictus esBenedictus es
  59. 🔍 20% Benedicamus PatremBenedicamus Patrem
  60. 🔍 20% Isti sunt duae olivaeIsti sunt duae olivae
  61. 🔍 19% Stetit Angelus (Off)Stetit Angelus (Off)
  62. 🔍 19% Inclinet DominusInclinet Dominus
  63. 🔍 19% Justi epulenturJusti epulentur
  64. 🔍 19% Exsultet caelum laudibus (modus 1)Exsultet caelum laudibus (modus 1)
  65. 🔍 19% Propitius estoPropitius esto