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: 2025-12-19. 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% Justorum animaeJustorum animae
  2. 🔍 73% Justorum animae (Off.)Justorum animae (Off.)
  3. 🔍 68% Stetit Angelus (Off, verses)Stetit Angelus (Off, verses)
  4. 🔍 56% ErueErue
  5. 🔍 55% Stetit pontifexStetit pontifex
  6. 🔍 55% Stetit Angelus (Off)Stetit Angelus (Off)
  7. 🔍 49% Justorum animaeJustorum animae
  8. 🔍 47% Felix namque esFelix namque es
  9. 🔍 45% Justorum animae (Off.)Justorum animae (Off.)
  10. 🔍 44% Stetit Angelus (Off, verses, with neumes)Stetit Angelus (Off, verses, with neumes)
  11. 🔍 43% Inclinet DominusInclinet Dominus
  12. 🔍 42% Stetit AngelusStetit Angelus
  13. 🔍 40% Stetit PontifexStetit Pontifex
  14. 🔍 39% Ave Regina caelorumAve Regina caelorum
  15. 🔍 38% Stetit Angelus (Off)Stetit Angelus (Off)
  16. 🔍 38% Felix namque esFelix namque es
  17. 🔍 38% Viri GalilaeiViri Galilaei
  18. 🔍 36% Te saeculorum PrincipemTe saeculorum Principem
  19. 🔍 35% Stetit PontifexStetit Pontifex
  20. 🔍 35% Beata nobis gaudiaBeata nobis gaudia
  21. 🔍 35% Beata nobis gaudiaBeata nobis gaudia
  22. 🔍 34% Justorum animae (Com.)Justorum animae (Com.)
  23. 🔍 34% Obaudite meObaudite me
  24. 🔍 34% Stetit Angelus (Off)Stetit Angelus (Off)
  25. 🔍 33% Justorum animae (Communio)Justorum animae (Communio)
  26. 🔍 33% Beata nobisBeata nobis
  27. 🔍 33% Te saeculorum PrincipemTe saeculorum Principem
  28. 🔍 33% Viri GalilaeiViri Galilaei
  29. 🔍 33% Beata nobis gaudiaBeata nobis gaudia
  30. 🔍 32% Beata nobis gaudiaBeata nobis gaudia
  31. 🔍 32% VerumtamenVerumtamen
  32. 🔍 30% Inclinet DominusInclinet Dominus
  33. 🔍 30% Te saeculorum PrincipemTe saeculorum Principem
  34. 🔍 30% AdducenturAdducentur
  35. 🔍 30% Veni Domine et noliVeni Domine et noli
  36. 🔍 30% Audita est quasi voxAudita est quasi vox
  37. 🔍 30% Obaudite meObaudite me
  38. 🔍 30% Justorum animae (Com.)Justorum animae (Com.)
  39. 🔍 30% Benedictus DominusBenedictus Dominus
  40. 🔍 29% Quomodo fiet istudQuomodo fiet istud
  41. 🔍 29% JustorumJustorum
  42. 🔍 29% Sancte PauleSancte Paule
  43. 🔍 28% Iesu Salvator saeculiIesu Salvator saeculi
  44. 🔍 28% O salutaris Hostia IIIO salutaris Hostia III
  45. 🔍 27% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  46. 🔍 27% Ave Rex nosterAve Rex noster
  47. 🔍 27% AemulorAemulor
  48. 🔍 27% Felix namque esFelix namque es
  49. 🔍 27% Montes GelboeMontes Gelboe
  50. 🔍 26% Isti sunt duae olivaeIsti sunt duae olivae
  51. 🔍 26% Trinitas summoTrinitas summo
  52. 🔍 26% Optime PaterOptime Pater
  53. 🔍 26% Crux orbis salus perditiCrux orbis salus perditi
  54. 🔍 26% Juravit DominusJuravit Dominus
  55. 🔍 26% Vexilla Regis (Tempus Passionis)Vexilla Regis (Tempus Passionis)
  56. 🔍 26% Stetit Angelus (Off. verse Factum)Stetit Angelus (Off. verse Factum)
  57. 🔍 26% Rogavi pro teRogavi pro te
  58. 🔍 26% Cornelius centurioCornelius centurio
  59. 🔍 26% FranciscusFranciscus
  60. 🔍 25% De quacumqueDe quacumque
  61. 🔍 25% Vexilla RegisVexilla Regis
  62. 🔍 25% Gratias tibi DeusGratias tibi Deus
  63. 🔍 25% In die solemnitatisIn die solemnitatis
  64. 🔍 25% In Deo salutareIn Deo salutare
  65. 🔍 25% IncipiteIncipite