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 (All.)Posuisti Domine (All.)
  2. 🔍 87% Dedisti mihiDedisti mihi
  3. 🔍 81% Posuisti Domine (All.)Posuisti Domine (All.)
  4. 🔍 80% FranciscusFranciscus
  5. 🔍 67% FranciscusFranciscus
  6. 🔍 67% Posuisti DominePosuisti Domine
  7. 🔍 66% Dedisti mihiDedisti mihi
  8. 🔍 63% FranciscusFranciscus
  9. 🔍 62% Hic EdmundusHic Edmundus
  10. 🔍 55% DedistiDedisti
  11. 🔍 42% Posuisti Domine (All.)Posuisti Domine (All.)
  12. 🔍 34% ConcaluitConcaluit
  13. 🔍 29% Hic MartinusHic Martinus
  14. 🔍 28% LoquebanturLoquebantur
  15. 🔍 28% Stetit PontifexStetit Pontifex
  16. 🔍 28% VerumtamenVerumtamen
  17. 🔍 27% Stetit pontifexStetit pontifex
  18. 🔍 27% Corona aureaCorona aurea
  19. 🔍 26% LoquebanturLoquebantur
  20. 🔍 26% Manum suamManum suam
  21. 🔍 26% Quae est ista quae progrediturQuae est ista quae progreditur
  22. 🔍 26% Stetit Angelus (Off)Stetit Angelus (Off)
  23. 🔍 26% Justorum animae (Off.)Justorum animae (Off.)
  24. 🔍 25% Verbo DominiVerbo Domini
  25. 🔍 25% Angelus Domini descenditAngelus Domini descendit
  26. 🔍 25% Quam magnaQuam magna
  27. 🔍 25% Felix namque esFelix namque es
  28. 🔍 24% Beata nobis gaudiaBeata nobis gaudia
  29. 🔍 24% Beata nobis gaudiaBeata nobis gaudia
  30. 🔍 24% Exsultet orbis gaudiis (another chant)Exsultet orbis gaudiis (another chant)
  31. 🔍 24% Stetit Angelus (Off)Stetit Angelus (Off)
  32. 🔍 24% Stetit PontifexStetit Pontifex
  33. 🔍 24% Justorum animae (Off.)Justorum animae (Off.)
  34. 🔍 24% Viri GalilaeiViri Galilaei
  35. 🔍 24% AemulorAemulor
  36. 🔍 24% Adesto sancta TrinitasAdesto sancta Trinitas
  37. 🔍 23% Beata nobisBeata nobis
  38. 🔍 23% Te saeculorum PrincipemTe saeculorum Principem
  39. 🔍 23% Ave Rex nosterAve Rex noster
  40. 🔍 23% Juravit DominusJuravit Dominus
  41. 🔍 23% LoquebanturLoquebantur
  42. 🔍 23% Rogavi pro teRogavi pro te
  43. 🔍 23% Optime PaterOptime Pater
  44. 🔍 23% Justorum animaeJustorum animae
  45. 🔍 23% Stetit Angelus (Off, verses)Stetit Angelus (Off, verses)
  46. 🔍 22% Unus panisUnus panis
  47. 🔍 22% Obaudite meObaudite me
  48. 🔍 22% Angelus Domini apparuitAngelus Domini apparuit
  49. 🔍 22% Ego Dominus inebriaboEgo Dominus inebriabo
  50. 🔍 22% Ave Regina caelorumAve Regina caelorum
  51. 🔍 22% Inclinet DominusInclinet Dominus
  52. 🔍 22% Te saeculorum PrincipemTe saeculorum Principem
  53. 🔍 22% Qui docti fuerint fulgebuntQui docti fuerint fulgebunt
  54. 🔍 22% De quacumqueDe quacumque
  55. 🔍 22% Christus passus estChristus passus est
  56. 🔍 22% Inclinet DominusInclinet Dominus
  57. 🔍 21% Beata nobis gaudiaBeata nobis gaudia
  58. 🔍 21% Felix namque esFelix namque es
  59. 🔍 21% Beata nobis gaudiaBeata nobis gaudia
  60. 🔍 21% Dignus es DomineDignus es Domine
  61. 🔍 21% Deus docuistiDeus docuisti
  62. 🔍 21% Stetit AngelusStetit Angelus
  63. 🔍 21% Loquebantur (All.)Loquebantur (All.)
  64. 🔍 21% Qui me inveneritQui me invenerit
  65. 🔍 21% Ave Rex nosterAve Rex noster