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. 🔍 64% Stetit AngelusStetit Angelus
  3. 🔍 62% Justorum animae (Off.)Justorum animae (Off.)
  4. 🔍 61% Justorum animaeJustorum animae
  5. 🔍 54% Stetit pontifexStetit pontifex
  6. 🔍 53% Stetit Angelus (Off)Stetit Angelus (Off)
  7. 🔍 49% Justorum animaeJustorum animae
  8. 🔍 48% Felix namque esFelix namque es
  9. 🔍 48% Justorum animaeJustorum animae
  10. 🔍 43% Inclinet DominusInclinet Dominus
  11. 🔍 43% Stetit PontifexStetit Pontifex
  12. 🔍 41% Ave Regina caelorumAve Regina caelorum
  13. 🔍 41% Stetit Angelus (Off)Stetit Angelus (Off)
  14. 🔍 40% Viri GalilaeiViri Galilaei
  15. 🔍 37% Justorum animae (Off.)Justorum animae (Off.)
  16. 🔍 37% Stetit Angelus (Off, verses)Stetit Angelus (Off, verses)
  17. 🔍 35% Beati mundo cordeBeati mundo corde
  18. 🔍 35% Stetit PontifexStetit Pontifex
  19. 🔍 34% Obaudite meObaudite me
  20. 🔍 34% Viri GalilaeiViri Galilaei
  21. 🔍 34% Te saeculorum PrincipemTe saeculorum Principem
  22. 🔍 34% Stetit Angelus (Off)Stetit Angelus (Off)
  23. 🔍 34% ExclamaveruntExclamaverunt
  24. 🔍 33% Inclinet DominusInclinet Dominus
  25. 🔍 33% Felix namque esFelix namque es
  26. 🔍 32% Felix namque esFelix namque es
  27. 🔍 32% Spiritus DominiSpiritus Domini
  28. 🔍 32% Beata nobis gaudiaBeata nobis gaudia
  29. 🔍 32% Justus ut palmaJustus ut palma
  30. 🔍 32% DolorosaDolorosa
  31. 🔍 32% Beata nobis gaudiaBeata nobis gaudia
  32. 🔍 32% Ave Rex nosterAve Rex noster
  33. 🔍 31% Te saeculorum PrincipemTe saeculorum Principem
  34. 🔍 30% Juravit DominusJuravit Dominus
  35. 🔍 30% VerumtamenVerumtamen
  36. 🔍 30% Obaudite meObaudite me
  37. 🔍 30% O salutaris Hostia IIIO salutaris Hostia III
  38. 🔍 30% Os justiOs justi
  39. 🔍 30% Beata nobis gaudiaBeata nobis gaudia
  40. 🔍 30% Beata nobis gaudiaBeata nobis gaudia
  41. 🔍 29% Te saeculorum PrincipemTe saeculorum Principem
  42. 🔍 29% Beata nobisBeata nobis
  43. 🔍 29% Beati Mundo CordeBeati Mundo Corde
  44. 🔍 29% Ave Rex nosterAve Rex noster
  45. 🔍 28% Quomodo fiet istudQuomodo fiet istud
  46. 🔍 28% Tu es Petrus (Offertorium)Tu es Petrus (Offertorium)
  47. 🔍 28% ErueErue
  48. 🔍 28% Ave Rex nosterAve Rex noster
  49. 🔍 27% Adjuvabit eamAdjuvabit eam
  50. 🔍 27% StatuitStatuit
  51. 🔍 27% Beata visceraBeata viscera
  52. 🔍 27% Gaudeamus ... AnnaGaudeamus ... Anna
  53. 🔍 27% Laetatus sumLaetatus sum
  54. 🔍 27% Angelus Domini descenditAngelus Domini descendit
  55. 🔍 27% Justi epulenturJusti epulentur
  56. 🔍 27% Domine Jesu ChristeDomine Jesu Christe
  57. 🔍 26% Gaudeamus ... AgathaGaudeamus ... Agatha
  58. 🔍 26% RevelabiturRevelabitur
  59. 🔍 26% Benedicta et venerabilisBenedicta et venerabilis
  60. 🔍 26% Gaudeamus ... AssumptionGaudeamus ... Assumption
  61. 🔍 26% Felix namque esFelix namque es
  62. 🔍 26% Dulcis et rectusDulcis et rectus
  63. 🔍 26% Gaudeamus ... ConceptionGaudeamus ... Conception
  64. 🔍 26% Audita est quasi voxAudita est quasi vox
  65. 🔍 26% Tu es Petrus (Offertorium)Tu es Petrus (Offertorium)