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% ConcaluitConcaluit
  2. 🔍 84% Posuisti Domine (All.)Posuisti Domine (All.)
  3. 🔍 76% Hic MartinusHic Martinus
  4. 🔍 48% DedistiDedisti
  5. 🔍 38% Posuisti Domine (All.)Posuisti Domine (All.)
  6. 🔍 37% FranciscusFranciscus
  7. 🔍 37% Stetit Angelus (Off)Stetit Angelus (Off)
  8. 🔍 35% Posuisti DominePosuisti Domine
  9. 🔍 35% Dedisti mihiDedisti mihi
  10. 🔍 34% FranciscusFranciscus
  11. 🔍 34% Hic EdmundusHic Edmundus
  12. 🔍 34% Beata nobis gaudiaBeata nobis gaudia
  13. 🔍 34% Te saeculorum PrincipemTe saeculorum Principem
  14. 🔍 34% Beata nobis gaudiaBeata nobis gaudia
  15. 🔍 34% Posuisti Domine (All.)Posuisti Domine (All.)
  16. 🔍 32% VerumtamenVerumtamen
  17. 🔍 32% AemulorAemulor
  18. 🔍 32% FranciscusFranciscus
  19. 🔍 31% Ave Regina caelorumAve Regina caelorum
  20. 🔍 31% Te saeculorum PrincipemTe saeculorum Principem
  21. 🔍 31% De quacumqueDe quacumque
  22. 🔍 31% Optime PaterOptime Pater
  23. 🔍 30% Dedisti mihiDedisti mihi
  24. 🔍 30% Stetit PontifexStetit Pontifex
  25. 🔍 29% Stetit pontifexStetit pontifex
  26. 🔍 29% Beata nobis gaudiaBeata nobis gaudia
  27. 🔍 29% Beata nobisBeata nobis
  28. 🔍 29% Beata nobis gaudiaBeata nobis gaudia
  29. 🔍 28% Te saeculorum PrincipemTe saeculorum Principem
  30. 🔍 27% Verbo DominiVerbo Domini
  31. 🔍 27% AdducenturAdducentur
  32. 🔍 26% Angelus Domini descenditAngelus Domini descendit
  33. 🔍 26% Felix namque esFelix namque es
  34. 🔍 26% Veni Domine et noliVeni Domine et noli
  35. 🔍 26% Paratum cor meumParatum cor meum
  36. 🔍 26% VerumtamenVerumtamen
  37. 🔍 25% Cornelius centurioCornelius centurio
  38. 🔍 25% Inclinet DominusInclinet Dominus
  39. 🔍 25% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  40. 🔍 25% Stetit PontifexStetit Pontifex
  41. 🔍 25% Felix namque esFelix namque es
  42. 🔍 25% Justorum animae (Off.)Justorum animae (Off.)
  43. 🔍 24% O salutaris Hostia IIIO salutaris Hostia III
  44. 🔍 24% Corona tribulationisCorona tribulationis
  45. 🔍 24% Inclinet DominusInclinet Dominus
  46. 🔍 24% Corona tribulationisCorona tribulationis
  47. 🔍 24% Angelus Domini descenditAngelus Domini descendit
  48. 🔍 24% Quomodo fiet istudQuomodo fiet istud
  49. 🔍 24% Iesu Salvator saeculiIesu Salvator saeculi
  50. 🔍 24% Montes GelboeMontes Gelboe
  51. 🔍 23% Ex ejus tumbaEx ejus tumba
  52. 🔍 23% Dignus es DomineDignus es Domine
  53. 🔍 23% Isti sunt viri... quos elegitIsti sunt viri... quos elegit
  54. 🔍 23% Justorum animaeJustorum animae
  55. 🔍 23% Lux perpetuaLux perpetua
  56. 🔍 23% Surrexit Dominus etSurrexit Dominus et
  57. 🔍 22% Sertum gestansSertum gestans
  58. 🔍 22% Vexilla Regis (Tempus Passionis)Vexilla Regis (Tempus Passionis)
  59. 🔍 22% Stetit Angelus (Off)Stetit Angelus (Off)
  60. 🔍 22% Vexilla RegisVexilla Regis
  61. 🔍 22% Beatus es SimonBeatus es Simon
  62. 🔍 22% Mittat vobisMittat vobis
  63. 🔍 22% Stetit Angelus (Off, verses)Stetit Angelus (Off, verses)
  64. 🔍 22% Quam magnaQuam magna
  65. 🔍 22% In Deo speravitIn Deo speravit